Summary: An objective determination of the refractive state of the eye (NEARSIGHTEDNESS; FARSIGHTEDNESS; ASTIGMATISM). By using a RETINOSCOPE, the amount of correction and the power of lens needed can be determined.
Publications222 found, 100 shown here
- Axial myopia induced by a monocularly-deprived facemask in guinea pigs: A non-invasive and effective modelFan Lu
School of Ophthalmology and Optometry, Wenzhou Medical College, 82 Xueyuan Road, Wenzhou, Zhejiang, 325003, China
Exp Eye Res 82:628-36. 2006..This method is non-invasive and allows evaluation of the same group of animals at different timepoints so that the number of animals required could be minimized without affecting the accuracy of the results...
- A comparison of the reliability of dynamic retinoscopy and subjective measurements of amplitude of accommodationAlejandro Álvarez León
Fundación Universitaria del Área Andina Pereira, Pereira, Colombia
Ophthalmic Physiol Opt 32:133-41. 2012Dynamic retinoscopy (DR) is an objective technique for assessing maximum accommodative responsivity. The present study examined the test-retest reliability of this procedure when measuring the amplitude of accommodation (AA).
- ROC analysis of the accuracy of Noncycloplegic retinoscopy, Retinomax Autorefractor, and SureSight Vision Screener for preschool vision screeningGui Shuang Ying
Scheie Eye Institute, Department of Ophthalmology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
Invest Ophthalmol Vis Sci 52:9658-64. 2011....
- Evaluation of healthy equine eyes by use of retinoscopy, keratometry, and ultrasonographic biometryPetra Grinninger
Department of Small Animals and Horses, Faculty of Veterinary Medicine, Vienna University, Vienna 1210, Austria
Am J Vet Res 71:677-81. 2010..To assess natural variations in degree of refraction, corneal curvature, corneal astigmatism, corneal radius, and intraocular distance of healthy equine eyes...
- Modified bell retinoscopy: measuring accommodative lag in childrenKristina Tarczy-Hornoch
Division of Ophthalmology, Childrens Hospital Los Angeles, Los Angeles, California 90027, USA
Optom Vis Sci 86:1337-45. 2009To describe a modified bell retinoscopy (MBR) method for quantifying accommodative lag in children and to assess its repeatability and comparability with other techniques.
- Retinoscopy and visual evoked potential based evaluation of the exactness of hyperopia correction in children with developmental difficultiesDobrila Karlica
University Department of Ophthalmology, Split University Hospital Center, Split, Croatia
Acta Clin Croat 49:251-5. 2010..0 and +6.0 D, in the range found by retinoscopy, with 1 D step...
- A device to aid the teaching of retinoscopy in low-resource countriesL Donovan
Br J Ophthalmol 92:294. 2008
- Hemiretinal form deprivation: evidence for local control of eye growth and refractive development in infant monkeysEarl L Smith
College of Optometry, University of Houston, Houston, Texas 77204 2020, USA
Invest Ophthalmol Vis Sci 50:5057-69. 2009..To determine whether refractive development in primates is mediated by local retinal mechanisms, the authors examined the effects of hemiretinal form deprivation on ocular growth and the pattern of peripheral refractions in rhesus monkeys...
- Recovery from form-deprivation myopia in rhesus monkeysYing Qiao-Grider
College of Optometry, University of Houston, Houston, Texas 77204 2020, USA
Invest Ophthalmol Vis Sci 45:3361-72. 2004..The purpose of this investigation was to re-examine the ability of rhesus monkeys (Macaca mulatta) to recover from FDM...
- Automated segmentation of 3-D spectral OCT retinal blood vessels by neural canal opening false positive suppressionZhihong Hu
Department of Electrical, The University of Iowa, Iowa City, IA, USA
Med Image Comput Comput Assist Interv 13:33-40. 2010..81 (0.72 for previously reported approach) for the region around the NCO and 0.84 for the region outside the NCO (0.81 for previously reported approach)...
- Sex, eye size, and the rate of myopic eye growth due to form deprivation in outbred white leghorn chickensYen Po Chen
School of Optometry and Vision Sciences, Cardiff University, Wales, United Kingdom
Invest Ophthalmol Vis Sci 51:651-7. 2010..Therefore, this study was undertaken to test whether the greater rate of myopic eye growth in males is a consequence of their larger eyes or of some other aspect of their sex...
- Evaluation of infant accommodation using retinoscopy and photoretinoscopyGina Marangoni Gabriel
Optom Vis Sci 86:208-15. 2009..To compare PlusOptix PowerRefractor (PR) and Monocular Estimation Method (MEM) for measurement of infant accommodation and to assess the usefulness of applying individual calibration factors to PR data...
- Accommodative dysfunction in children with cerebral palsy: a population-based studyJulie F McClelland
Vision Science Research Group, Biomedical Sciences, University of Ulster, Northern Ireland, United Kingdom
Invest Ophthalmol Vis Sci 47:1824-30. 2006..To determine the prevalence, nature, and degree of accommodative dysfunction among children with different types and severities of cerebral palsy (CP) in Northern Ireland...
- A comparison of photorefraction and retinoscopy in childrenMesut Erdurmus
Department of Ophthalmology, Fatih University Medical School, Ankara, Turkey
J AAPOS 11:606-11. 2007To compare the results of photorefraction measurement obtained with a Plusoptix CR03 to those of cycloplegic retinoscopy as a standard refraction method in children.
- Integrated analysis of vascular and nonvascular changes from color retinal fundus image sequencesHarihar Narasimha-Iyer
Carl Zeiss Meditec, Dublin, CA 94568, USA
IEEE Trans Biomed Eng 54:1436-45. 2007....
- Automated identification of cone photoreceptors in adaptive optics retinal imagesKaccie Y Li
School of Optometry, University of California, Berkeley, CA 94720, USA
J Opt Soc Am A Opt Image Sci Vis 24:1358-63. 2007..The consistency of our measurements demonstrates the reliability and practicality of having an automated solution to this problem...
- Photoreceptor counting and montaging of en-face retinal images from an adaptive optics fundus cameraBai Xue
Department of Ophthalmology and Vision Science, University of California Davis, Sacramento 95817, USA
J Opt Soc Am A Opt Image Sci Vis 24:1364-72. 2007..Our algorithms do not require spatial regularity in cone packing and are, therefore, useful for counting cones in diseased retinas, as demonstrated for eyes with Stargardt's macular dystrophy and retinitis pigmentosa...
- Analysis of posterior retinal layers in spectral optical coherence tomography images of the normal retina and retinal pathologiesMaciej Szkulmowski
Nicolaus Copernicus University, Institute of Physics, ul Grudziadzka 5 7, PL 87 100 Torun, Poland
J Biomed Opt 12:041207. 2007..Operator intervention is required to assess the quality of segmentation. Thickness and distance maps from the segmented layers and their analysis are presented for healthy and pathological retinas...
- Texton-based segmentation of retinal vesselsDonald A Adjeroh
Lane Department of Computer Science and Electrical Engineering, Vido and Image Processing Laboratory, West Virginia University, Morgantown 26506, USA
J Opt Soc Am A Opt Image Sci Vis 24:1384-93. 2007..9568 specificity at 0.7346 sensitivity. This compares well with the best-published results on the data set 0.9773 specificity at 0.7194 sensitivity [Proc. SPIE5370, 648 (2004)]...
- Accuracy of a new photo-refractometer in young and adult patientsThilo Schimitzek
Sektion Neuroophthalmologie, Kinderophthalmologie, Schielbehandlung Universitäts Augenklinik, Killianstr 5, 79106 Freiburg, Germany
Graefes Arch Clin Exp Ophthalmol 243:637-45. 2005..This study evaluated the accuracy of a commercially available photo-refractometer (Power Refractor, Plusoptix, Erlangen, Germany) and investigated whether the working distance relaxes the accommodation sufficiently without cycloplegia...
- Axial growth and changes in lenticular and corneal power during emmetropization in infantsDonald O Mutti
Ohio State University College of Optometry, 338 West Tenth Avenue, Columbus, OH 43210 1240, USA
Invest Ophthalmol Vis Sci 46:3074-80. 2005..To evaluate the contribution made by the ocular components to the emmetropization of spherical equivalent refractive error in human infants between 3 and 9 months of age...
- Adaptation of a support vector machine algorithm for segmentation and visualization of retinal structures in volumetric optical coherence tomography data setsRobert J Zawadzki
University of California, Davis, California 95817, USA
J Biomed Opt 12:041206. 2007..Our software has been tested successfully in clinical settings for its efficacy in assessing 3D retinal structures in healthy as well as diseased cases. Our tool facilitates diagnosis and treatment monitoring of retinal diseases...
- Precision of higher order aberration repeatability with NIDEK OPD-scan retinoscopic aberrometryJackson Barreto
Department of Ophthalmology, University of Sao Paulo, Brazil
J Refract Surg 22:S1037-40. 2006..To evaluate repeatability of the total high order aberrations with a retinoscopic wavefront sensor...
- The influence of cycloplegia in objective refractionJ Jorge
Department of Physics Optometry, School of Sciences, University of Minho, Braga, Portugal
Ophthalmic Physiol Opt 25:340-5. 2005The purpose of this study was to compare refractions measured with an autorefractor and by retinoscopy with and without cycloplegia...
- Imaging polarimetry and retinal blood vessel quantification at the epiretinal membraneMasahiro Miura
Department of Ophthalmology, Tokyo Medical University, Japan
J Opt Soc Am A Opt Image Sci Vis 24:1431-7. 2007..Depolarized light images were useful for examining the retinal vasculature in the presence of retinal disease...
- 3D phase diversity: a myopic deconvolution method for short-exposure images: application to retinal imagingGuillaume Chenegros
Department of Optics, Office National d Etudes et de Recherches Aerospatiales, Chatillon Cedex, France
J Opt Soc Am A Opt Image Sci Vis 24:1349-57. 2007..The joint deconvolution is further constrained by an additional longitudinal support constraint derived from a 3D interpretation of the phase-diversity technique. This method is validated by simulated retinal images...
- Diabetic retinopathy: the unmet needs for screening and a review of potential solutionsStephen H Sinclair
Ophthalmology, Drexel University School of Medicine, Suite 100, 311 E Baltimore Avenue, Media, PA 19063, USA
Expert Rev Med Devices 3:301-13. 2006....
- Elastic registration for retinal images based on reconstructed vascular treesBin Fang
Department of Computer Science, Chongqing University, PR China
IEEE Trans Biomed Eng 53:1183-7. 2006..Experiment results validated the effectiveness of the elastic matching algorithm and its advantage over the weak affine model for registration of retinal fundus images...
- Quantitative analysis of multi-spectral fundus imagesI B Styles
School of Computer Science, The University of Birmingham, Edgbaston, Birmingham, West Midlands B15 2TT, United Kingdom
Med Image Anal 10:578-97. 2006..The results are in agreement with known tissue histology for normal healthy subjects. We also present an early result which suggests that, with further development, the technique could be used to successfully detect retinal haemorrhages...
- Repeatability (test-retest variability) of refractive error measurement in clinical settingsJaakko Leinonen
Department of Ophthalmology, Vaasa Central Hospital, Vaasa, Finland
Acta Ophthalmol Scand 84:532-6. 2006..To estimate the repeatability of refractive error measurement (REM) in a clinical environment in cataractous, pseudophakic and healthy eyes...
- Retinal vessel segmentation using the 2-D Gabor wavelet and supervised classificationJoão V B Soares
Institute of Mathematics and Statistics, University of Sao Paulo, 05508 090 Brazil
IEEE Trans Med Imaging 25:1214-22. 2006..We are making our implementation available as open source MATLAB scripts for researchers interested in implementation details, evaluation, or development of methods...
- Automated microaneurysm detection using local contrast normalization and local vessel detectionAlan D Fleming
Biomedical Physics, University of Aberdeen, Aberdeen, AB25 2ZD, UK
IEEE Trans Med Imaging 25:1223-32. 2006..Results are presented for detection of individual MAs and for detection of images containing MAs. Images containing MAs are detected with sensitivity 85.4% and specificity 83.1%...
- [Asphericity of the cornea and astigmatism]T Seiler
Institut für Refractive und Ophthalmo Chirurgie IROC, Zurich, Schweiz
Klin Monbl Augenheilkd 222:977-82. 2005..Regarding astigmatism of the cornea, curvature as well as asphericity depend on the meridional axis. Their functional dependence and relation to the quality of the retinal image are still unclear...
- Reliability of the compensation comparison method for measuring retinal stray light studied using Monte-Carlo simulationsJoris E Coppens
Netherlands Ophthalmic Research Institute, Meibergdreef 47 1105BA, Amsterdam, Netherlands
J Biomed Opt 11:054010. 2006..07 logarithmic units on average) for estimation of the stray light value. Bias is virtually zero. Furthermore, a reliability index was derived from the responses and found to be effective...
- Weighted Zernike expansion with applications to the optical aberration of the human eyeJayoung Nam
Department of Mathematics, Indiana University, Bloomington, Indiana 47405, USA
J Opt Soc Am A Opt Image Sci Vis 22:1709-16. 2005..The weighted functions involve a free parameter. Clinical data on subjective refraction and aberration maps of individual subjects are used to determine an estimate for this parameter...
- Exploration of the retinal nerve fiber layer thickness by measurement of the linear dichroismOlivier Karim Naoun
Centre Hospitalier Universitaire, Service d Ophtalmologie de l Hôpital Central, 29, Avenue du Marechal de Lattre de Tassigny, 54035 Nancy Cedex, France
Appl Opt 44:7074-82. 2005..The first clinical measurements show a different degree of polarization between normal and glaucomatous eyes and a good correlation with the results obtained by optical coherence tomography...
- Analysis of retinal vasculature using a multiresolution Hermite modelLi Wang
Department of Computer Science, University of Warwick, Coventry, U K
IEEE Trans Med Imaging 26:137-52. 2007..These show MHM to perform comparably with other retinal vessel labelling methods...
- Multiscan time-domain optical coherence tomography for retina imagingCarla Carmelo Rosa
University of Porto and Instituto de Engenharla de Sistemas e Computadores Porto, Portugal
Appl Opt 46:1795-808. 2007....
- Retinal vessel centerline extraction using multiscale matched filters, confidence and edge measuresMichal Sofka
Department of Computer Science, Rensselaer Polytechnic Institute, Troy, NY 12180 3590, USA
IEEE Trans Med Imaging 25:1531-46. 2006..Finally, the new vesselness likelihood ratio is embedded into a vessel tracing framework, resulting in an efficient and effective vessel centerline extraction algorithm...
- Enhancing the signal-to-noise ratio in ophthalmic optical coherence tomography by image registration--method and clinical examplesThomas Martini Jørgensen
Technical University of Denmark, Riso National Laboratory, Optics and Plasma Research Department, Roskilde, Denmark
J Biomed Opt 12:041208. 2007..The method is currently successfully being applied by medical doctors in a number of specific retinal case studies...
- Preliminary study on the association of vessel diameter variation and glaucomaA A Vlachokosta
Institute of Communication and Computer Systems, 9 Iroon Polytechneiou str, 15780, Athens, Greece
Conf Proc IEEE Eng Med Biol Soc 2007:888-91. 2007..The statistical analysis of the variations of the vessels diameters revealed a significant difference between the two populations. This difference indicates a probable association between glaucoma and variations of the vessel diameter...
- Improvement of a retinal blood vessel segmentation method using the Insight Segmentation and Registration Toolkit (ITK)M Martinez-Perez
Department of Computer Science Institute of Research in Applied Mathematics and Systems UNAM, Apdo Postal 20 726, Mexico, D F 04510
Conf Proc IEEE Eng Med Biol Soc 2007:892-5. 2007..96, than the Matlab version due to a decrease in FPR values and it is between 8 and 12 times faster than the original version. Furthermore, the ITK implementation is able to segment high-resolution images in an acceptable timescale...
- Semiautomatic detection and evaluation of autofluorescent areas in retinal imagesRadim Kolar
Department of Biomedical Engineering, Brno University of Technology, Czech Republic
Conf Proc IEEE Eng Med Biol Soc 2007:3327-30. 2007..Results are compared with those obtained by experienced ophthalmologists...
- A comparison of photorefraction and retinoscopy in childrenA H Dahlmann-Noor
J AAPOS 12:104; author reply 104-5. 2008
- Dynamic focus in optical coherence tomography for retinal imagingM Pircher
Medical University of Vienna, Center for Biomedical Engineering and Physics, Vienna, Austria
J Biomed Opt 11:054013. 2006..We show that maintenance of a transverse resolution of approximately 4.4 microm can be achieved over an optical depth of 1 mm in a model eye and apply our method to imaging the human retina in vivo...
- Optic disc detection from normalized digital fundus images by means of a vessels' direction matched filterA R Youssif
Department of Computer Science, Helwan University, Cairo, Egypt
IEEE Trans Med Imaging 27:11-8. 2008..The OD-center was detected correctly in 80 out of the 81 images (98.77%). In addition, the OD-center was detected correctly in all of the 40 images (100%) using the publicly available DRIVE dataset...
- A novel method for the automatic grading of retinal vessel tortuosityEnrico Grisan
Department of Information Engineering, University of Padova, 35131 Padova, Italy
IEEE Trans Med Imaging 27:310-9. 2008..These vessels had been preliminarily ordered by a retina specialist by increasing perceived tortuosity. The proposed algorithm proved to be the best one in matching the clinically perceived vessel tortuosity...
- A novel vessel segmentation algorithm for pathological retina images based on the divergence of vector fieldsBenson Y Lam
Department of Electronic Engneering, City University of Hong Kong, Kowloon, Hong Kong
IEEE Trans Med Imaging 27:237-46. 2008..Experiment results show that the method can avoid detecting false vessels in pathological regions and can produce reliable results for healthy regions...
- A variational method for geometric regularization of vascular segmentation in medical imagesAli Gooya
Graduate School of Engineering, The University of Tokyo, Tokyo, Japan
IEEE Trans Image Process 17:1295-312. 2008..Quantitative results, as well as qualitative comparisons of segmentations, indicate that our regularization method is a promising tool to improve the efficiency of both techniques...
- Ultrahigh resolution optical coherence tomography and pancorrection for cellular imaging of the living human retinaEnrique J Fernandez
Biomedical Imaging Group, School of Optometry and Vision Sciences, Cardiff University, Wales, UK
Opt Express 16:11083-94. 2008..The presented technique has the potential to unveil photoreceptor development and pathogenesis as well as improved therapy monitoring of numerous retinal diseases...
- Improved detection of the central reflex in retinal vessels using a generalized dual-gaussian model and robust hypothesis testingHarihar Narasimha-Iyer
Rensselaer Polytechnic Institute, Troy, NY 12180, USA
IEEE Trans Inf Technol Biomed 12:406-10. 2008..The proposed method yielded a sensitivity of 72% compared to 38% by the algorithm of Can et al., and 60% by the robust detection based on a single-Gaussian model. The specificity for the methods were 95%, 97%, and 98%, respectively...
- Longitudinal chromatic aberration of the human infant eyeJingyun Wang
Indiana University School of Optometry, Bloomington, IN 47405, USA
J Opt Soc Am A Opt Image Sci Vis 25:2263-70. 2008..The implications for visual performance, defocus detection, and measurement of refraction are discussed...
- Extraction and reconstruction of retinal vasculatureM H Ahmad Fadzil
Intelligent Imaging Technology Group, Electrical and Electronic Engineering Programme, Universiti Teknologi PETRONAS, Bandar Sri Iskandar, Tronoh, Perak, Malaysia
J Med Eng Technol 31:435-42. 2007..91 - 0.95, a sensitivity range (ability to detect vessel pixels) of 0.91 - 0.95 and a specificity range (ability to detect non-vessel pixels) of 0.88 - 0.94...
- Study on the effects of monochromatic aberrations in the accommodation response by using adaptive opticsEnrique J Fernandez
Laboratorio de Optica, Departamento de Fisica, Universidad de Murcia, Campus de Espinardo Edificio C, 30071 Murcia, Spain
J Opt Soc Am A Opt Image Sci Vis 22:1732-8. 2005..However, neither the latency time nor the precision of the accommodation were affected. These results may indicate that the monochromatic aberrations play a role in driving the accommodation response...
- The effect of off-the-visual-axis retinoscopy on objective refractive measurementDavid W Jackson
Cullen Eye Institue, Baylor College of Medicine, and Department of Ophthalmology, Texas Children s Hospital, Houston, 77030, USA
Am J Ophthalmol 137:1101-4. 2004To determine the effect of off-axis retinoscopy on objective refractive measurement.
- Corneal birefringence compensation for polarization sensitive optical coherence tomography of the human retinaMichael Pircher
Medical University of Vienna, Center for Biomedical Engineering and Physics, Wahringer Strasse 13, A 1090 Vienna, Austria
J Biomed Opt 12:041210. 2007..We implemented the method in a state of the art spectral domain PS-OCT system and demonstrate it in a test sample and human retina in vivo...
- Three-dimensional optical coherence tomography at 1050 nm versus 800 nm in retinal pathologies: enhanced performance and choroidal penetration in cataract patientsBoris Povazay
Cardiff University, School of Optometry and Vision Sciences, Biomedical Imaging Group, Cardiff, Wales, CF24 4LU, United Kingdom
J Biomed Opt 12:041211. 2007..Results achieved with 3-D OCT at 1050 nm reveal, for the first time, decisive improvements in image quality for patients with retinal pathologies and clinically significant cataract...
- Spectral oximetry assessed with high-speed ultra-high-resolution optical coherence tomographyLarry Kagemann
University of Pittsburgh School of Medicine, Department of Ophthalmology, Ophthalmology and Visual Sciences Research Center, UPMC Eye Center, Eye and Ear Institute, Pittsburgh, Pennsylvania 15213, USA
J Biomed Opt 12:041212. 2007..0217) (mean+/-standard deviation). A difference between arterial and venous blood saturation was detected. This suggests that retinal oximetry may possibly be added as a metabolic measurement in structural imaging devices...
- Vectorial reconstruction of retinal blood flow in three dimensions measured with high resolution resonant Doppler Fourier domain optical coherence tomographyRoland Michaely
Ecole Polytechnique Federale de Lausanne, Laboratoire d Optique Biomedicale, CH 1015 Lausanne, Switzerland
J Biomed Opt 12:041213. 2007..We apply the algorithm on a measured 3-D resonant Doppler dataset. For validation of the reproducibility, we compare two independently obtained 3-D flow maps of the same volunteer and region...
- Real-time spectral domain Doppler optical coherence tomography and investigation of human retinal vessel autoregulationBradley A Bower
Duke University, Department of Biomedical Engineering, Durham, North Carolina 27708, USA
J Biomed Opt 12:041214. 2007..Doppler flow repeatability data are presented to address the high standard deviations in the measurements...
- In vivo total retinal blood flow measurement by Fourier domain Doppler optical coherence tomographyYimin Wang
University of Southern California, Doheny Eye Institute and Department of Ophthalmology, Keck School of Medicine, 1355 San Pablo Street, DVRC 160B, Los Angeles, California 90033, USA
J Biomed Opt 12:041215. 2007..35 mm/s to 51.13 mm/s. The total retinal venous and arterial flow both added up to approximately 54 microl/min. We believe this is the first demonstration of total retinal blood flow measurement using the OCT technique...
- Detection of lesions in retina photographs based on the wavelet transformGwenole Quellec
Lab de Traitement de l Inf Medicale Inserm, CHU, Brest, France
Conf Proc IEEE Eng Med Biol Soc 1:2618-21. 2006..More, it could be generalized to other small lesions. Results are evaluated on a manually segmented retinal images database for different usual mother wavelets...
- Minimum distance mapping using three-dimensional optical coherence tomography for glaucoma diagnosisBoris Povazay
Cardiff University, School of Optometry and Vision Sciences, Biomedical Imaging Group, Cardiff, Wales CF24 4LU, United Kingdom
J Biomed Opt 12:041204. 2007..For the purposes of this pilot study, we present data from a normal subject and from two patients with characteristic optic nerve and retinal nerve fiber layer changes secondary to glaucoma...
- Elastic registration for auto-fluorescence image averagingLibor Kubecka
Dept of Biomed Eng, Brno Univ of Technol Brno, 61200, Czech Republic
Conf Proc IEEE Eng Med Biol Soc 1:1948-51. 2006..The concept and some details of the MI-based regularized registration, together with evaluation of test results form the core of the contribution...
- High-speed complex conjugate resolved retinal spectral domain optical coherence tomography using sinusoidal phase modulationYuankai K Tao
Department of Biomedical Engineering, Duke University, 136 Hudson Hall, Durham, North Carolina 27708, USA
Opt Lett 32:2918-20. 2007..Densely sampled (3000 A-scans/image, acquired at 4.3 images/s) full-depth in vivo images of optic nerve head show CCA suppression for most image reflections to the noise floor...
- [Wavefront analysis and adaptive optics]J D Stevens
FRCOphth, FRCS Moorfields Eye Hospital, London
Ophthalmologe 100:593-602. 2003..Finally, the first international clinical results of wavefront guided excimer laser surgery are reviewed and critically commented...
- [The appearance of refractive errors and eyeballs position disorders in the group of premature babies treated at the Chair and Clinic of Ophthalmology of the Pomeranian Medical University in the years 1999-2005]Monika Modrzejewska
Katedra i Klinika Okulistyki Pomorskiej Akademii Medycznej w Szczecinie al Powstańców Wlkp 72, 70 111 Szczecin
Ann Acad Med Stetin 53:57-62. 2007..The aim of the study was to analyze the frequency of occurrence of hypermetropia, myopia, astigmatism and eyeballs position disorders in the form of strabismus and nystagmus in premature babies...
- Cardinal points and image-object magnification with an accommodative lens implant (1 CU)Achim Langenbucher
Department of Ophthalmology, University of Erlangen Nurnberg, Schwabachanlage 6, D 91054 Erlangen, Germany
Ophthalmic Physiol Opt 23:61-70. 2003..the positions of the cardinal points, (2). the distance of the object conjugate with the retina, and (3). the image-object magnification. These theoretical accommodation data are compared with clinical measurements...
- Comprehensive vision care in urban communities: the pediatric outreach programValerie M Kattouf
Illinois College of Optometry, Chicago, Illinois 60616, USA
Optometry 80:29-35. 2009..Grant funds assisted in the ability to deliver vision services and spectacles to uninsured children. This report describes the structure and organization of the POP and presents the visual data...
- Neodymium:YAG pupilloplasty in pediatric aphakiaC G Summers
Department of Ophthalmology, University of Minnesota, Minneapolis 55455
J Pediatr Ophthalmol Strabismus 28:155-6. 1991An adequate pupillary aperture is required for accurate ophthalmoscopy and retinoscopy in pediatric aphakia...
- Visual optics in toads (Bufo americanus)U Mathis
Section of Neurobiology and Behavior, Cornell University, Ithaca, New York 14853
J Comp Physiol A 163:201-13. 1988..By subtracting the measurement artefact for retinoscopy, the true resting focus was found to be nearly emmetropic. 7...
- Prevalence of myopia and hyperopia among urban and rural schoolchildren in PolandDamian Czepita
Katedra i Klinika Okulistyki Pomorskiej Akademii Medycznej w Szczecinie al Powstańców Wlkp 72, 70 111 Szczecin
Ann Acad Med Stetin 54:17-21. 2008..Whereas, in Poland there was not a single paper yet published concerning this topic. That is why the aim of this paper is to describe the prevalence of myopia and hyperopia among urban and rural schoolchildren in Poland...
- Causes of childhood blindness in the northeastern states of IndiaHarsha Bhattacharjee
HV Desai Eye Hospital, Pune, India
Indian J Ophthalmol 56:495-9. 2008..There is lacuna regarding the data on causes of blindness and severe visual impairment in children from this region...
- Neural pathways subserving negative lens-induced emmetropization in chicks--insights from selective lesions of the optic nerve and ciliary nerveChristine Wildsoet
School of Optometry, University of California Berkeley, CA 94720 2020, USA
Curr Eye Res 27:371-85. 2003..Data from previous related studies are equivocal...
- Noncycloplegic photorefractive screening in pre-school children with the "PowerRefractor" in a pediatric practiceFrank Schaeffel
Section of Neurobiology of Eye, University Eye Hospital, Tubingen, Germany
Optom Vis Sci 84:630-9. 2007..To evaluate the usefulness of the screening for refractive errors, we retrospectively analyzed the data of a large number of unselected children of different ages in a pediatric practice in Tuebingen, Germany...
- Scleral remodeling during the development of and recovery from axial myopia in the tree shrewN A McBrien
Department of Optometry and Vision Sciences, The University of Melbourne, Victoria, Australia
Invest Ophthalmol Vis Sci 41:3713-9. 2000..Scleral glycosaminoglycan (GAG) synthesis and content as well as scleral dry weight changes were monitored as indicators of remodeling in myopic and recovering tree shrew sclerae...
- Refractive status of indigenous people in the northwestern Amazon region of BrazilFrank Thorn
New England College of Optometry, Boston, Massachusetts 02115, USA
Optom Vis Sci 82:267-72. 2005..The purpose of this study was to investigate the refractive status of the illiterate indigenous people of the upper Rio Negro region of the Amazon rain forest in northwestern Brazil...
- The albino chick as a model for studying ocular developmental anomalies, including refractive errors, associated with albinismJodi Rymer
Wildsoet Lab, 588 Minor Hall, University of California Berkeley, Berkeley CA 94720 2020, USA
Exp Eye Res 85:431-42. 2007..The ocular development of both albino and normally pigmented chicks was monitored using retinoscopy to measure refractive errors and high frequency A-scan ultrasonography to measure axial ocular dimensions...
- A comparative clinical survey of the prevalence of refractive errors and eye diseases in urban and rural school childrenNazia Uzma
Department of Physiology, Deccan College of Medical Sciences, Hyderabad, India
Can J Ophthalmol 44:328-33. 2009..To assess the prevalence of refractive error and common ocular diseases in school-aged children in urban and rural populations in and around Hyderabad, India...
- Changes of the accommodative amplitude and the anterior chamber depth after implantation of an accommodative intraocular lensHanka Schneider
Department of Ophthalmology, Rostock University, Doberaner Strasse 140, 18055, Rostock, Germany
Graefes Arch Clin Exp Ophthalmol 244:322-9. 2006....
- Visual outcome in 879 children treated for strabismus: insufficient accommodation and vision deprivation, deficient emmetropisation and anisometropiaRobert M Ingram
Kettering General Hospital, Northants, United Kingdom
Strabismus 17:148-57. 2009..To identify the effect of infant hypermetropia on residual amblyopia in children remaining after treatment...
- Constant light rearing disrupts compensation to imposed- but not induced-hyperopia and facilitates compensation to imposed myopia in chicksVaruna Padmanabhan
School of Optometry, 588 Minor Hall, University of California at Berkeley, Berkeley, CA 94720 2020, USA
Vision Res 47:1855-68. 2007..We also studied recovery responses, i.e. from lens-induced changes in CL as well as CL-induced changes alone or combined with lens-induced changes in eyes returned to normal diurnal lighting (NL)...
- Theoretical and measured pseudophakic accommodation after implantation of a new accommodative posterior chamber intraocular lensAchim Langenbucher
Department of Ophthalmology and University Eye Hospital, University Erlangen Nurnberg, Erlangen, Germany
Arch Ophthalmol 121:1722-7. 2003..To analyze different techniques of measuring accommodation after implantation of a new accommodative posterior chamber intraocular lens (PCIOL)...
- Evolution of central corneal thickness in children with congenital glaucoma requiring glaucoma surgeryIsabel Oberacher-Velten
Department of Paediatric Ophthalmology, Strabismology, and Ophthalmogenetics, University of Regensburg, Franz Josef Strauss Allee 11, 93053 Regensburg, Germany
Graefes Arch Clin Exp Ophthalmol 246:397-403. 2008..The purpose of the study was to investigate the evolution of central corneal thickness (CCT) in correlation to the intraocular pressure (IOP) in children with congenital glaucoma before and after glaucoma surgery...
- Identification of infants with significant refractive error and strabismus in a population screening program using noncycloplegic videorefraction and orthoptic examinationShirley Anker
Visual Development Unit, Department of Psychology, University College London, London, United Kingdom
Invest Ophthalmol Vis Sci 44:497-504. 2003..without cycloplegia could effectively serve as a first stage of screening for refractive errors, measured by standard cycloplegic retinoscopy. The screening also included an orthoptic examination for detection of strabismus.
- Astigmatism in monkeys with experimentally induced myopia or hyperopiaChea su Kee
College of Optometry, University of Houston, Houston, Texas 77204 2020, USA
Optom Vis Sci 82:248-60. 2005..This study examines the frequency and characteristics of astigmatism in infant monkeys that developed axial ametropias as a result of altered early visual experience...
- Quantification of chick lens alphaA- and delta-crystallins in experimentally induced ametropiaSophia Zaidi
School of Optometry, University of Waterloo, Waterloo, Ontario, Canada
Mol Vis 8:472-6. 2002..The chicks were refracted twice, once on the day of hatching and again seven days later, using streak retinoscopy. On day 7 chicks were sacrificed, lenses decapsulated, and soluble proteins were isolated...
- Ophthalmic manifestations of tuberous sclerosis: a population based studyS A Rowley
Department of Ophthalmology, Royal United Hospital, Bath, UK
Br J Ophthalmol 85:420-3. 2001..Tuberous sclerosis complex (TSC) has retinal and non-retinal ophthalmic manifestations. This study was designed to determine the prevalence of the ophthalmic manifestations and of refractive errors in a population of patients with TSC...
- The eye of the hooded seal, Cystophora cristata, in air and waterJ G Sivak
School of Optometry, University of Waterloo, Ontario, Canada
J Comp Physiol A 165:771-7. 1989..The measures, made by conventional retinoscopy and by photorefraction, show that the seals are moderately hyperopic (2-3 diopters) in water and moderately ..
- Hyoscine skin patches for drooling dilate pupils and impair accommodation: spectacle correction for photophobia and blurred vision may be warrantedManzar Saeed
Tennent Institute of Ophthalmology, Glasgow, UK
Dev Med Child Neurol 49:426-8. 2007..Binocular visual acuity, pupil reaction, pupil diameter, and dynamic retinoscopy were recorded before and after instilling guttae cyclopentolate 1%...
- Retinoscopy in infants using a near noncycloplegic technique, cycloplegia with tropicamide 1%, and cycloplegia with cyclopentolate 1%J D Twelker
University of California, Berkeley, School of Optometry, 94720 2020, USA
Optom Vis Sci 78:215-22. 2001This study compares retinoscopy in infants using a near noncycloplegic technique, cycloplegia with tropicamide 1%, and cycloplegia with cyclopentolate 1%...
- Astigmatism and Amblyopia among Native American Children (AANAC): design and methodsJ M Miller
Department of Ophthalmology, University of Arizona, Tucson, Arizona, United States of America
Ophthalmic Epidemiol 7:187-207. 2000..and specificity for detection of significant astigmatism, as measured by a technique that uses both cycloplegic retinoscopy and cycloplegic autorefraction, is determined for each of the four screening tools...
- Refractive error at birth and its relation to gestational ageSara Varughese
Department of Paediatric Ophthalmology, Dr Shroff s Charity Eye Hospital, Daryaganj, Delhi, India
Curr Eye Res 30:423-8. 2005..The refractive status of premature infants is not well studied. This study was done to find the norms of refractive error in newborns at different gestational ages...
- Incidence of ocular pathologies in Italian children with Down syndromeF Fimiani
Department of Ophthalmology, University of Napoli Federico II, Napoli, Italy
Eur J Ophthalmol 17:817-22. 2007..This study identifies the incidence of primary ocular pathologies in a population of Italian children with Down syndrome...
- [High myopia and retinal ultrastructure of albino guinea-pigs]Jie Yue Wang
Department of Ophthalmology, Xiangya Hospital, Central South University, Changsha, China
Zhong Nan Da Xue Xue Bao Yi Xue Ban 32:282-7. 2007..To explore the relationship between melanin synthesis and the congenital high myopia of albino guinea-pigs...
- Suture-related complications after congenital cataract surgery: Vicryl versus Mersilene suturesShai M Bar-Sela
Goldschleger Eye Institute, Sheba Medical Center, Tel Hashomer, and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
J Cataract Refract Surg 33:301-4. 2007..To evaluate 10-0 polyester sutures (Mersilene) and 10-0 absorbable polyglactin sutures (Vicryl) for small-incision congenital cataract surgery...
- Measurement of accommodation after implantation of an accommodating posterior chamber intraocular lensAchim Langenbucher
Department of Ophthalmology and University Eye Hospital, University Erlangen Nurnberg, Germany
J Cataract Refract Surg 29:677-85. 2003..To analyze techniques of measuring accommodation after implantation of an accommodating posterior chamber intraocular lens (PC IOL)...
- Screening for refractive errors with the Topcon PR2000 Pediatric RefractometerC Williams
Dept of Ophthalmology, Bristol Eye Hospital, United Kingdom
Invest Ophthalmol Vis Sci 41:1031-7. 2000..The present study was conducted to determine the accuracy of the device in a largely clinical population...
- Comparison of 6-month results of implantation of the 1CU accommodative intraocular lens with conventional intraocular lensesMichael Kuchle
Department of Ophthalmology and University Eye Hospital, University Erlangen Nurnberg, Erlangen, Germany
Ophthalmology 111:318-24. 2004..To evaluate the clinical results of implantation of the new 1CU accommodative intraocular lens (IOL) in cataract patients and to compare results with those of conventional IOLs...
- Two models of experimental myopia in the mouseV A Barathi
Singapore Eye Research Institute, 11 Third Hospital Avenue, Singapore 168751, Singapore
Vision Res 48:904-16. 2008..The purpose of this study was to test the response of the mouse eye to two methods for the induction of experimental myopia...
- Occurrence of refractive errors among students who before the age of two grew up under the influence of light emitted by incandescent or fluorescent lampsDamian Czepita
Katedra i Klinika Okulistyki Pomorskiej Akademii Medycznej al Powstańców Wlkp 72, 70 111 Szczecin
Ann Acad Med Stetin 51:33-6. 2005..The aim of the study was to determine whether the development of refractive errors could be associated with exposure to light emitted by incandescent or fluorescent lamps...
- Analysis of the Data from Vision in Preschoolers (VIP) StudyGui Shuang Ying; Fiscal Year: 2010..National Eye Institute-sponsored Expert Panel Meeting in July 2005: (1) Evaluate the validity of noncycloplegic retinoscopy, Retinomax Autorefractor, SureSight Vision Screener, and Lea Symbols VA test for detecting VIP-defined ..
- OCULAR DEVELOPMENT IN INFANCY/EARLY CHILDHOODDonald Mutti; Fiscal Year: 2005..abstract_text> ..
- DOPAMINE/GLUTAMATE AND HYPOXIC INJURY IN NEWBORN BRAINDavid Wilson; Fiscal Year: 2009..This understanding will be the basis for more effective treatment of patients who have been subjected to a period(s) of insufficient oxygen delivery to the brain. ..
- The Predictive Value of Pre-plus Disease in ROPDavid Wallace; Fiscal Year: 2008..abstract_text> ..
- Low-cost, portable, computer assisted imaging for diabe*Michael Abramoff; Fiscal Year: 2008..Our overall aim is to validate and optimize a low-cost, high quality, patient friendly imaging system for the early diagnosis of diabetic retinopathy. ..
- Development of Retinal Receptive FieldsNORBERTO GRZYWACZ; Fiscal Year: 2006..In such a transplantation, cells must "self-organize" as during development. ..
- EMMETROPIZATION AND DEVELOPMENT OF MYOPIA IN CHILDRENJane Gwiazda; Fiscal Year: 2005....
- Correlation Among Retinal Directionally Selective CellsNORBERTO GRZYWACZ; Fiscal Year: 2005..Retinal binding defects may contribute to some of these integrative problems, but even if not, retinal strategies and mechanisms may shed light on mechanisms in other areas of the brain. ..
- Central Scotomas in AMD and Cortical RemappingJanet Sunness; Fiscal Year: 2005....
- VISION SCREENING IN PRESCHOOLERS/CHAIR GRANTPaulette Schmidt; Fiscal Year: 2004..abstract_text> ..
- HIGH-RESOLUTION IMAGING OF OCULAR MELANOMA AND RETINADirk Uwe Bartsch; Fiscal Year: 2003..Since we can measure and characterize these aberrations, we can develop digital inverse filter based on our experience in image reconstruction to correct the acquired images. ..
- CONTACT LENSES AND MYOPIA (CLAMP) STUDYJEFFREY WALLINE; Fiscal Year: 2003..The CLAMP Study is the ideal scope and size of study to train Dr. Walline to become an independent investigator and has the potential to change the standard of care for young children who become nearsighted. ..
- EYE GROWTH DURING INFANCYScott Lambert; Fiscal Year: 2001..In addition, by understanding the mechanisms retarding ocular growth, it may be possible to modulate the excessive ocular growth which occurs in certain pathological conditions such as retinopathy of prematurity. ..
- OXYGEN LEVELS AND RADIOSENSITIVITY IN TUMORSDavid Wilson; Fiscal Year: 2001..Phosphors will be selected which can be injected intravenously and then, after the oxygen measurements, are excreted by the kidney. ..
- NEURAL AND HORMONAL PATHWAYS IN OCULAR DEVELOPMENTHoward Howland; Fiscal Year: 2003..Behavioral, surgical, biochemical, histological, and mathematical methods will be employed to answer these questions. ..
- Nanosensor probes for oxygen imaging in vivoDavid Wilson; Fiscal Year: 2009..e. ready for larger scale synthesis and rigorous toxicology studies preparatory to use in clinical trials. ..