A Viestenz

Summary

Affiliation: University of Erlangen-Nuremberg
Country: Germany

Publications

  1. ncbi request reprint Superficial corneal effects of experimental nonmechanical penetrating keratoplasty using a Q-switched Er:YAG laser
    Anja Viestenz
    Department of Ophthalmology, University of Erlangen Nurnberg, Schwabachenlage 6, D 91054 Erlangen, Germany
    Cornea 21:501-4. 2002
  2. ncbi request reprint [Bilateral nevus of the caruncle]
    Anja Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Erlangen
    Klin Monbl Augenheilkd 219:380-2. 2002
  3. ncbi request reprint [Toric intraocular lenses for correction of persistent corneal astigmatism after penetrating keratoplasty]
    A Viestenz
    Augenklinik mit Poliklinik, Universitat Erlangen Nurnberg, Erlangen
    Ophthalmologe 102:148-52. 2005
  4. ncbi request reprint [Effect of pupil size on longitudinal focal distribution after photorefractive keratectomy ]
    A Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Schwabachanlage 6, 91054 Erlangen
    Klin Monbl Augenheilkd 218:498-502. 2001
  5. ncbi request reprint [Impact of an Er:YAG laser beam control on cut quality of non-mechanical corneal trepanation for penetrating keratoplasty]
    Anja Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nuremberg, Erlangen
    Ophthalmologe 100:471-5. 2003
  6. ncbi request reprint Intraocular lens power prediction for triple procedures in Fuchs' dystrophy using multiple regression analysis
    Anja Viestenz
    Department of Ophthalmology, University of Erlangen Nurnberg, Erlangen, Germany
    Acta Ophthalmol Scand 83:312-5. 2005
  7. ncbi request reprint Q-switched erbium:YAG laser corneal trephination: thermal damage in corneal stroma and cut regularity of nonmechanical Q-switched erbium:YAG laser corneal trephination for penetrating keratoplasty
    M Stojkovic
    Department of Ophthalmology, Friedrich Alexander University University of Erlangen Nurnberg, Schwabachanlage 6, D 91054 Erlangen, Germany
    Cornea 23:50-60. 2004
  8. ncbi request reprint [Bifocal photography using the HRA -- an optimized method to evaluate tIOL's axial orientation]
    A Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Kopfklinikum, Erlangen
    Klin Monbl Augenheilkd 221:788-90. 2004
  9. ncbi request reprint [Retrospective analysis of 417 cases of contusion and rupture of the globe with frequent avoidable causes of trauma: the Erlangen Ocular Contusion-Registry (EOCR) 1985 - 1995]
    A Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Kopfklinikum, Schwabachanlage 6, 91054 Erlangen
    Klin Monbl Augenheilkd 218:662-9. 2001
  10. ncbi request reprint [Toric intraocular lenses for compensation of corneal astigmatism]
    A Langenbucher
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Erlangen
    Klin Monbl Augenheilkd 221:182-90. 2004

Detail Information

Publications43

  1. ncbi request reprint Superficial corneal effects of experimental nonmechanical penetrating keratoplasty using a Q-switched Er:YAG laser
    Anja Viestenz
    Department of Ophthalmology, University of Erlangen Nurnberg, Schwabachenlage 6, D 91054 Erlangen, Germany
    Cornea 21:501-4. 2002
    ..To assess thermal effects of Q-switched Er:YAG laser trephination to corneal epithelium and superficial stroma using different mask types and materials for experimental penetrating keratoplasty...
  2. ncbi request reprint [Bilateral nevus of the caruncle]
    Anja Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Erlangen
    Klin Monbl Augenheilkd 219:380-2. 2002
    ..Pathologic processes of the caruncle are relatively rare with a predominance of papillomas, pyogenic granulomas and nevi...
  3. ncbi request reprint [Toric intraocular lenses for correction of persistent corneal astigmatism after penetrating keratoplasty]
    A Viestenz
    Augenklinik mit Poliklinik, Universitat Erlangen Nurnberg, Erlangen
    Ophthalmologe 102:148-52. 2005
    ..Cataract extraction with implantation of toric intraocular lenses (tIOL) is a new surgical option for correction of residual astigmatism following penetrating keratoplasty and cataract with only minimal direct manipulation of the graft...
  4. ncbi request reprint [Effect of pupil size on longitudinal focal distribution after photorefractive keratectomy ]
    A Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Schwabachanlage 6, 91054 Erlangen
    Klin Monbl Augenheilkd 218:498-502. 2001
    ..The purpose of this study was to calculate the image forming properties of the eye using raytracing techniques of a spot light source based on topographic height data of a scanning slit videokeratoscope...
  5. ncbi request reprint [Impact of an Er:YAG laser beam control on cut quality of non-mechanical corneal trepanation for penetrating keratoplasty]
    Anja Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nuremberg, Erlangen
    Ophthalmologe 100:471-5. 2003
    ..Searching for alternative laser sources we assessed the impact of an automatic laser beam control for the Er:YAG solid-state laser on the cut performance and thermal damage zone in non-mechanical corneal trepanation...
  6. ncbi request reprint Intraocular lens power prediction for triple procedures in Fuchs' dystrophy using multiple regression analysis
    Anja Viestenz
    Department of Ophthalmology, University of Erlangen Nurnberg, Erlangen, Germany
    Acta Ophthalmol Scand 83:312-5. 2005
    ..To develop a correcting term for intraocular power (IOLP) prediction for penetrating keratoplasty combined with simultaneous extracapsular cataract extraction and posterior chamber lens implantation (triple procedure)...
  7. ncbi request reprint Q-switched erbium:YAG laser corneal trephination: thermal damage in corneal stroma and cut regularity of nonmechanical Q-switched erbium:YAG laser corneal trephination for penetrating keratoplasty
    M Stojkovic
    Department of Ophthalmology, Friedrich Alexander University University of Erlangen Nurnberg, Schwabachanlage 6, D 91054 Erlangen, Germany
    Cornea 23:50-60. 2004
    ..To assess stromal thermal damage and cut regularity induced by nonmechanical Q-switched Er:YAG laser corneal trephination for penetrating keratoplasty...
  8. ncbi request reprint [Bifocal photography using the HRA -- an optimized method to evaluate tIOL's axial orientation]
    A Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Kopfklinikum, Erlangen
    Klin Monbl Augenheilkd 221:788-90. 2004
    ..The assessment of axial orientation of toric IOLs (tIOLs) by monofocal photography can be deteriorated due to intrinsic errors e. g. globe rotation, head inclination or inadequate camera adaption and slide projection...
  9. ncbi request reprint [Retrospective analysis of 417 cases of contusion and rupture of the globe with frequent avoidable causes of trauma: the Erlangen Ocular Contusion-Registry (EOCR) 1985 - 1995]
    A Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Kopfklinikum, Schwabachanlage 6, 91054 Erlangen
    Klin Monbl Augenheilkd 218:662-9. 2001
    ..Ocular trauma is the cause of every third enucleation. Blunt injuries belong to the most frequent causes. We analysed blunt ocular injuries to collect detailed epidemiological data...
  10. ncbi request reprint [Toric intraocular lenses for compensation of corneal astigmatism]
    A Langenbucher
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Erlangen
    Klin Monbl Augenheilkd 221:182-90. 2004
    ..The purpose of this study was to present a generalized scheme for the calculation of toric intraocular lenses and to demonstrate its potential on a clinical example in a step-by-step approach...
  11. ncbi request reprint [Impact of the eye's cyclorotation on axial orientation analysis of toric intraocular lenses: recommendations for an optimized evaluation of rotational stability of toric IOLs]
    A Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Kopfklinikum, Erlangen
    Klin Monbl Augenheilkd 223:134-40. 2006
    ..We investigated the rotational stability of eyes during standardized photography and recommend two methods for an enhanced evaluation of tIOL rotation...
  12. ncbi request reprint [Differential eyelid tumors diagnosis. II]
    L Holbach
    Augenklinik mit Poliklinik, Universitat Erlangen Nurnberg, Schwabachanlage 6, 91054 Erlangen
    Ophthalmologe 99:490-507; quiz 508-9. 2002
  13. ncbi request reprint [Blunt ocular trauma. Part I: blunt anterior segment trauma]
    A Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Erlangen
    Ophthalmologe 101:1239-57; quiz 1257-8. 2004
    ..Patients with blunt eye trauma should be under steady observation by an ophthalmologist to handle late complications...
  14. ncbi request reprint [Parapapillary autofluorescence as indicator for glaucoma]
    A Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Erlangen
    Klin Monbl Augenheilkd 223:315-20. 2006
    ..The aim of this study was to evaluate the parapapillary autofluorescence (PAF) in vivo in healthy eyes (controls), and in eyes with primary open angle glaucoma (POAG), pseudoexfoliation glaucoma (PSXG) or normal tension glaucoma (NTG)...
  15. ncbi request reprint [Conjunctival cyst: subconjunctival luxation of the lens following ocular contusion - a case report]
    A Viestenz
    , Schwabachanlage 6, 91054 Erlangen, Germany
    Klin Monatsbl Augenheilkd 218:578-80. 2001
    ..A large hyphema may masquerade alterations of other ocular structures. The differential diagnosis of posttraumatic prominent conjunctival "tumors" should include subconjunctival luxation of the lens...
  16. ncbi request reprint [Wavelet representation of corneal topography data after nonmechanical penetrating keratoplasty--a clinical study]
    A Langenbucher
    , Schwabachanlage 6, 91054 Erlangen
    Klin Monatsbl Augenheilkd 218:148-56. 2001
    ..This algorithm is independent of the currently used topography system and allows a smoothing of the raw data set adapted to scale of resolution and data compression...
  17. ncbi request reprint Anterior chamber depth and complications during cataract surgery in eyes with pseudoexfoliation syndrome
    M Kuchle
    Department of Ophthalmology and University Eye Hospital, Erlangen, Germany
    Am J Ophthalmol 129:281-5. 2000
    ..To look for associations of preoperative A-scan ultrasound ocular dimensions with complications during phacoemulsification in eyes with pseudoexfoliation...
  18. ncbi request reprint [Rupture of the choroid after eyeball contusion--an analysis based on the Erlangen Ocular Contusion Registry (EOCR)]
    A Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Erlangen
    Klin Monbl Augenheilkd 221:713-9. 2004
    ..Choroidal ruptures are frequently masked by acute subretinal haemorrhage. We analysed possible predictive factors and functional results of eyeballs with rupture of the choroid after ocular contusion...
  19. ncbi request reprint [Healthy optic discs with large cups--a diagnostic challenge in glaucoma]
    C Y Mardin
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Erlangen
    Klin Monbl Augenheilkd 223:308-14. 2006
    ..The aim of this study was to investigate the variables of laser scanning tomography (LST) and nerve fibre polarimetry of these disks in comparison to small and normal sized disks...
  20. doi request reprint [Calculation of pseudophakic and phakic toric lenses for correction of corneal astigmatism--theory and clinical aspects]
    A Langenbucher
    Medizinische Optik am Institut für Medizinische Physik, Friedrich Alexander Universitat Erlangen Nurnberg, Erlangen
    Klin Monbl Augenheilkd 225:541-7. 2008
    ..The purpose of this review article is to present an en bloc mathematical strategy for calculating pseudophakic and phakic toric lenses and for deriving the spectacle refraction after implantation of an arbitrary lens...
  21. ncbi request reprint [Eyelid tumor as a recurrence of a gastric MALT-lymphoma]
    F Colombo
    Augenklinik mit Poliklinik der Friedrich Alexander Universität Erlangen Nürnberg
    Klin Monbl Augenheilkd 217:133-5. 2000
    ..MALT Lymphoma of the conjunctiva, eyelid and orbit represents a primary manifestation of the disease in most of the cases...
  22. ncbi request reprint Toric intraocular lenses--theory, matrix calculations, and clinical practice
    Achim Langenbucher
    Institute of Medical Physics and Optics, Friedrich Alexander University Erlangen Nuremberg, Erlangen, Germany
    J Refract Surg 25:611-22. 2009
    ....
  23. ncbi request reprint Ray tracing through a schematic eye containing second-order (quadric) surfaces using 4 x 4 matrix notation
    Achim Langenbucher
    Department of Ophthalmology, University of Erlangen Nurnberg, Schwabachanlage 6, D 91054 Erlangen, Germany
    Ophthalmic Physiol Opt 26:180-8. 2006
    ..This calculation strategy may be helpful for evaluating the image distortion of decentred or tilted spherical or aspheric artificial intra-ocular lenses...
  24. ncbi request reprint Computerized calculation scheme for retinal image size after implantation of toric intraocular lenses
    Achim Langenbucher
    Department of Medical Physics, University of Erlangen Nurnberg, Erlangen, Germany
    Acta Ophthalmol Scand 85:92-8. 2007
    ..To describe a paraxial computing scheme for tracing an axial pencil of rays through the 'optical system eye' containing astigmatic surfaces with their axes at random...
  25. ncbi request reprint Conoidal fitting of corneal topography height data after excimer laser penetrating keratoplasty
    Achim Langenbucher
    Department of Ophthalmology, University of Erlangen Nurnberg, Schwabachanlage 6, D 91054 Erlangen, Germany
    J Refract Surg 18:63-71. 2002
    ..To demonstrate a mathematical method for approximation of discrete corneal topography height data with a biconic model surface for better appreciation of the optical performance of the graft after penetrating keratoplasty...
  26. ncbi request reprint [Assessment of the optical image quality of the eye using raytracing technique of corneal topography data]
    Achim Langenbucher
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Erlangen
    Klin Monbl Augenheilkd 220:235-46. 2003
    ..The subjectively evaluated visual acuity may be significantly reduced. The purpose of this study was to calculate the image forming properties of the eye using a spotlight source or alternatively extended objects...
  27. ncbi request reprint Corneal shrinkage induced by nonmechanical Q-switched erbium:YAG laser trephination for penetrating keratoplasty in porcine eyes
    Milenko Stojkovic
    Department of Ophthalmology, University of Erlangen Nuremberg, Schwabachanlage 6, 91054 Erlangen, Germany
    Graefes Arch Clin Exp Ophthalmol 241:667-72. 2003
    ..To assess the degree of corneal diameter shrinkage induced by Q-switched mid-infrared laser corneal trephination for penetrating keratoplasty in an experimental model...
  28. ncbi request reprint [Cataract and keratoplasty--simultaneous or sequential surgery?]
    Berthold Seitz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Erlangen
    Klin Monbl Augenheilkd 220:326-9. 2003
    ....
  29. ncbi request reprint [Bilateral visual field defects with optic disc drusen and secondary open angle glaucoma with PEX--clinical correlation with the HRA]
    A Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Erlangen
    Klin Monbl Augenheilkd 221:280-4. 2004
    ..Beyond this state, in microdiscs with optic disc drusen, the exact classification of the visual field defects is crucial...
  30. ncbi request reprint [Differential eyelid tumor diagnosis. I]
    L Holbach
    Augenklinik mit Poliklinik, Universitat Erlangen Nurnberg, Schwabachanlage 6, 91054 Erlangen
    Ophthalmologe 99:394-411; quiz 412-3. 2002
  31. ncbi request reprint Q-Switched 2.94-microm Er:YAG laser trephination with convergent and divergent cut angles for penetrating keratoplasty
    Renate Ferreira De Souza
    Department of Ophthalmology, University of Erlangen Nurnberg, Erlangen, Germany
    Cornea 22:562-8. 2003
    ..To study the morphologic properties of perpendicular (P), convergent (C), and divergent (D) cut angles using different speeds of rotations during donor and recipient nonmechanical trephination for experimental penetrating keratoplasty...
  32. ncbi request reprint Nonmechanical Q-switched erbium:YAG laser trephination for penetrating keratoplasty: experimental study on human donor corneas
    Milenko Stojkovic
    Department of Ophthalmology, Friedrich Alexander Universitat Erlangen Nurnberg, Erlangen, Germany
    Arch Ophthalmol 121:1415-22. 2003
    ..To assess the alterations in human donor corneal tissue induced by Q-switched erbium (Er):YAG laser corneal trephination...
  33. ncbi request reprint [Eye contusions caused by a bottle cap. A retrospective study based on the Erlangen Ocular Contusion Register (EOCR)]
    A Viestenz
    Augenklinik mit Poliklinik, Universitat Erlangen Nurnberg, Kopfklinikum, Schwabachanlage 6, 91054 Erlangen
    Ophthalmologe 99:105-8. 2002
    ..However, bottle caps alone may also induce severe ocular damage due to ocular contusions while opening carbon dioxide-containing beverage bottles. We studied this type of ocular contusion...
  34. pmc Cutaneous angiosarcoma of the eyelids
    R M Conway
    Department of Ophthalmology and Eye Hospital, University of Erlangen Nurnberg, Erlangen, Germany
    Br J Ophthalmol 87:514-5. 2003
  35. ncbi request reprint [Early childhood cataract in hereditary UDP-galactose-4-epimerase deficiency--a case report]
    A Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Schwabachanlage 6, 91054 Erlangen
    Klin Monbl Augenheilkd 218:121-4. 2001
    ..Increased plasma galactitol levels may lead to development of bilateral pediatric cataract...
  36. ncbi request reprint [Unilateral, segmental corneal decompensation. Suspicion of keratitis herpetica]
    A Viestenz
    Augenklinik mit Poliklinik, Universitat Erlangen Nurnberg, Erlangen
    Ophthalmologe 102:906-8. 2005
  37. ncbi request reprint [Rotational stability of the eye in standard photography]
    A Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Kopfklinikum, Erlangen
    Klin Monbl Augenheilkd 221:262-5. 2004
    ..After the implantation of a toric IOL (tIOL), postoperative rotations of more than 30 degrees have been reported. Beyond this scope, we investigated the reproducibility of the eye's orientation (rotation stability) in principle...
  38. ncbi request reprint [Ocular Manifestation of Mucopolysaccharidosis I-S (Scheie's Syndrome)]
    Arne Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Erlangen, Germany
    Klin Monbl Augenheilkd 219:745-8. 2002
    ..Bilateral stromal corneal opacifications are a differential diagnostical challenge to identify associated systemic diseases...
  39. ncbi request reprint [Vigabatrin-associated bilateral simple optic nerve atrophy with visual field constriction. A case report and a survey of the literature]
    Arne Viestenz
    Augenklinik mit Poliklinik der Universität Erlangen Nürnberg, Erlangen
    Ophthalmologe 100:402-5. 2003
    ..The retinal nerve fiber thickness was pathologically reduced in the Heidelberg retinal tomography (HRT) and the retinal nerve fiber layer analyzer (GDx)...
  40. ncbi request reprint Evaluation of corneal flap dimensions and cut quality using the SKBM automated microkeratome
    Arne Viestenz
    Department of Ophthalmology, University of Erlangen Nurnberg, Germany
    J Cataract Refract Surg 29:825-31. 2003
    ..To evaluate flap dimensions and cut quality with repeated blade use of the automated Summit Krumeich-Barraquer microkeratome (SKBM [LadarVision])...
  41. ncbi request reprint [Impact of intracameral pressure on donor cut angles in nonmechanical Er:YAG laser trephination for penetrating keratoplasty]
    Renate Sauer
    Augenklinik mit Poliklinik der Friedrich Alexander Universität Erlangen Nuremberg, Erlangen
    Klin Monbl Augenheilkd 220:396-403. 2003
    ..The purpose of this study was to assess the impact of the intracameral pressure during nonmechanical donor trephination from the epithelial side on the cut angles for experimental human PK...
  42. ncbi request reprint [Toric intraocular lenses and correction of astigmatism]
    Arne Viestenz
    Augenklinik mit Poliklinik, Otto von Guericke Universitat, Leipziger Strasse 44, Haus 60b, 39120 Magdeburg, Deutschland
    Ophthalmologe 104:620-7. 2007
    ..to provide clinical recommendations for the implantation of toric lenses, and 5. to report the specifications of all tIOLs that are currently available commercially...
  43. doi request reprint [Determination of toric intraocular lenses]
    A Langenbucher
    Medizinische Optik am Institut für Medizinische Physik, Friedrich Alexander Universitat Erlangen Nurnberg, Erlangen, Deutschland
    Ophthalmologe 105:685-92. 2008
    ..The purpose of this article is to present a vergence-based calculation scheme for TPCLs and PTLs...