Raymond Applegate

Summary

Affiliation: University of Houston
Country: USA

Publications

  1. ncbi request reprint Are all aberrations equal?
    Raymond A Applegate
    College of Optometry, University of Houston, TX 77204 2020, USA
    J Refract Surg 18:S556-62. 2002
  2. pmc Importance of fixation, pupil center, and reference axis in ocular wavefront sensing, videokeratography, and retinal image quality
    Raymond A Applegate
    Visual Optics Institute, College of Optometry, University of Houston, Houston, Texas 77204 2020, USA
    J Cataract Refract Surg 35:139-52. 2009
  3. pmc Three-dimensional relationship between high-order root-mean-square wavefront error, pupil diameter, and aging
    Raymond A Applegate
    Visual Optics Institute, College of Optometry, University of Houston, Texas 77204, USA
    J Opt Soc Am A Opt Image Sci Vis 24:578-87. 2007
  4. pmc Metrics of retinal image quality predict visual performance in eyes with 20/17 or better visual acuity
    Raymond A Applegate
    Visual Optics Institute, College of Optometry, University of Houston, Houston, Texas 77204 2020, USA
    Optom Vis Sci 83:635-40. 2006
  5. pmc Noise in wavefront error measurement from pupil center location uncertainty
    Raymond A Applegate
    Visual Optics Institute, College of Optometry, University of Houston, 4901 Calhoun Rd, Houston, TX 77204 2020, USA
    J Refract Surg 26:796-802. 2010
  6. ncbi request reprint Glenn Fry award lecture 2002: wavefront sensing, ideal corrections, and visual performance
    Raymond A Applegate
    College of Optometry, University of Houston, Houston, Texas 77204 2020, USA
    Optom Vis Sci 81:167-77. 2004
  7. ncbi request reprint Interaction between aberrations to improve or reduce visual performance
    Raymond A Applegate
    College of Optometry, University of Houston, Houston, Texas 77204, USA
    J Cataract Refract Surg 29:1487-95. 2003
  8. ncbi request reprint Visual acuity as a function of Zernike mode and level of root mean square error
    Raymond A Applegate
    College of Optometry, University of Houston, Houston, Texas 77204 2020, USA
    Optom Vis Sci 80:97-105. 2003
  9. ncbi request reprint On-eye performance of custom wavefront-guided soft contact lenses in a habitual soft lens-wearing keratoconic patient
    Jason D Marsack
    Visual Optics Institute, College of Optometry, 505 J Davis Armistead Bldg, University of Houston, Houston, TX 77204, USA
    J Refract Surg 23:960-4. 2007
  10. pmc Dynamic simulation of the effect of soft toric contact lenses movement on retinal image quality
    Yafei Niu
    Visual Optics Institute, College of Optometry, University of Houston, Houston, Texas 77204, USA
    Optom Vis Sci 85:230-5. 2008

Research Grants

Detail Information

Publications29

  1. ncbi request reprint Are all aberrations equal?
    Raymond A Applegate
    College of Optometry, University of Houston, TX 77204 2020, USA
    J Refract Surg 18:S556-62. 2002
    ..To determine for a fixed RMS error (25 microm, over a 6-mm pupil) how each mode of the normalized Zernike polynomial (second through the fourth radial order) affects high and low contrast logMAR visual acuity...
  2. pmc Importance of fixation, pupil center, and reference axis in ocular wavefront sensing, videokeratography, and retinal image quality
    Raymond A Applegate
    Visual Optics Institute, College of Optometry, University of Houston, Houston, Texas 77204 2020, USA
    J Cataract Refract Surg 35:139-52. 2009
    ..To examine the impact of the location of the fixation target, pupil center, and reference axis of ophthalmic aberrometers and videokeratographers on the measurement of corneal aberrations relevant to vision...
  3. pmc Three-dimensional relationship between high-order root-mean-square wavefront error, pupil diameter, and aging
    Raymond A Applegate
    Visual Optics Institute, College of Optometry, University of Houston, Texas 77204, USA
    J Opt Soc Am A Opt Image Sci Vis 24:578-87. 2007
    ..This normative data set details (1) the 3-D relationship between HO RMS WFE and age for fixed pupil diameters and (2) the 3-D relationship among HO RMS WFE, age, and luminance for physiologic pupil diameters...
  4. pmc Metrics of retinal image quality predict visual performance in eyes with 20/17 or better visual acuity
    Raymond A Applegate
    Visual Optics Institute, College of Optometry, University of Houston, Houston, Texas 77204 2020, USA
    Optom Vis Sci 83:635-40. 2006
    ....
  5. pmc Noise in wavefront error measurement from pupil center location uncertainty
    Raymond A Applegate
    Visual Optics Institute, College of Optometry, University of Houston, 4901 Calhoun Rd, Houston, TX 77204 2020, USA
    J Refract Surg 26:796-802. 2010
    ..To examine the impact of pupil center location uncertainty in wavefront sensing on the variance in repeated measures of higher order root-mean-square (RMS) wavefront error (WFE)...
  6. ncbi request reprint Glenn Fry award lecture 2002: wavefront sensing, ideal corrections, and visual performance
    Raymond A Applegate
    College of Optometry, University of Houston, Houston, Texas 77204 2020, USA
    Optom Vis Sci 81:167-77. 2004
  7. ncbi request reprint Interaction between aberrations to improve or reduce visual performance
    Raymond A Applegate
    College of Optometry, University of Houston, Houston, Texas 77204, USA
    J Cataract Refract Surg 29:1487-95. 2003
    ..To investigate how pairs of Zernike modes interact to increase or decrease visual acuity...
  8. ncbi request reprint Visual acuity as a function of Zernike mode and level of root mean square error
    Raymond A Applegate
    College of Optometry, University of Houston, Houston, Texas 77204 2020, USA
    Optom Vis Sci 80:97-105. 2003
    ..The relationship between the level of RMS wavefront error within a mode and its effect on visual performance is unknown...
  9. ncbi request reprint On-eye performance of custom wavefront-guided soft contact lenses in a habitual soft lens-wearing keratoconic patient
    Jason D Marsack
    Visual Optics Institute, College of Optometry, 505 J Davis Armistead Bldg, University of Houston, Houston, TX 77204, USA
    J Refract Surg 23:960-4. 2007
    ..To assess visual, optical, and fitting characteristics for wavefront-guided soft contact lenses produced for one habitual soft lens-wearing moderate keratoconic eye...
  10. pmc Dynamic simulation of the effect of soft toric contact lenses movement on retinal image quality
    Yafei Niu
    Visual Optics Institute, College of Optometry, University of Houston, Houston, Texas 77204, USA
    Optom Vis Sci 85:230-5. 2008
    ..To report the development of a tool designed to dynamically simulate the effect of soft toric contact lens movement on retinal image quality, initial findings on three eyes, and the next steps to be taken to improve the utility of the tool...
  11. pmc Performance of wavefront-guided soft lenses in three keratoconus subjects
    Jason D Marsack
    Visual Optics Institute, College of Optometry, University of Houston, Houston, Texas 77204, USA
    Optom Vis Sci 85:E1172-8. 2008
    ..To examine whether custom wavefront-guided soft contact lenses provide visual and optical performance equivalent to habitual gas permeable (GP) corrections in three keratoconus subjects...
  12. pmc Impact of Zernike-fit error on simulated high- and low-contrast acuity in keratoconus: implications for using Zernike-based corrections
    Jason D Marsack
    Visual Optics Institute, College of Optometry, University of Houston, Texas 77204 2020, USA
    J Opt Soc Am A Opt Image Sci Vis 23:769-76. 2006
    ....
  13. pmc Influence of exposure time and pupil size on a Shack-Hartmann metric of forward scatter
    William J Donnelly
    Visual Optics Institute, College of Optometry, University of Houston, Houston, Texas 77204 2020, USA
    J Refract Surg 21:S547-51. 2005
    ..To determine the influence of exposure time and pupil size on a Shack-Hartmann (S/H) derived metric of forward scatter (MAX_SD) using a physical model of nuclear cataract...
  14. ncbi request reprint Uncorrected wavefront error and visual performance during RGP wear in keratoconus
    Jason D Marsack
    Visual Optics Institute, College of Optometry, University of Houston, Houston, TX 77204, USA
    Optom Vis Sci 84:463-70. 2007
    ..To examine the relationship between uncorrected residual wavefront error and visual performance (VP) in rigid gas permeable (RGP) contact lens-wearing keratoconic eyes...
  15. ncbi request reprint Quantifying scatter in Shack-Hartmann images to evaluate nuclear cataract
    William J Donnelly
    Visual Optics Institute, College of Optometry, University of Houston, Houston, TX 77204 2020, USA
    J Refract Surg 20:S515-22. 2004
    ..Quantify and localize lenticular forward scatter using Shack-Hartmann wavefront sensing (SHWS) as single-valued metrics and a scatter map, and to examine the relationships between forward scatter and backscatter metrics and visual acuity...
  16. ncbi request reprint Measuring visual acuity--mesopic or photopic conditions, and high or low contrast letters?
    Konrad Pesudovs
    Visual Optics Institute, College of Optometry, University of Houston, Houston, TX 77204 2020, USA
    J Refract Surg 20:S508-14. 2004
    ..The purpose of this study is to explore whether photopic high contrast visual acuity (VA) is an appropriate visual performance reference and whether mesopic and/or low contrast testing provides any advantage...
  17. pmc Controlled induction of spherical aberration with custom soft contact lenses
    Katrina E Parker
    Visual Optics Institute, College of Optometry, University of Houston, Houston, TX 77204 2020, USA
    Clin Exp Optom 92:283-8. 2009
    ....
  18. pmc Detecting significant change in wavefront error: how long does it take?
    Darren E Koenig
    Visual Optics Institute, College of Optometry, University of Houston, 4901 Calhoun Road, Houston, TX 77204 2020, USA
    Clin Exp Optom 92:246-52. 2009
    ..Our aims were to determine the necessary amount of time to detect age-related change in HO WFE given measurement variability and HO WFE composition and magnitude; and to minimise the length of time necessary to detect change...
  19. ncbi request reprint Metrics of optical quality derived from wave aberrations predict visual performance
    Jason D Marsack
    College of Optometry, University of Houston, Houston, TX 77204, USA
    J Vis 4:322-8. 2004
    ..25 microm over a 6-mm pupil. The best metric, called the visual Strehl ratio, accounts for 81% of the variance in high-contrast logMAR acuity...
  20. ncbi request reprint A population study on changes in wave aberrations with accommodation
    Han Cheng
    College of Optometry, University of Houston, Houston, TX 77204 2020, USA
    J Vis 4:272-80. 2004
    ..Therefore, a typical eye will benefit over the entire accommodative range (0-6 D) if aberrations are corrected for distance viewing...
  21. ncbi request reprint Standards for reporting the optical aberrations of eyes
    Larry N Thibos
    School of Optometry, Indiana University, Bloomington, USA
    J Refract Surg 18:S652-60. 2002
    ..Progress reports were presented at the 1999 OSA annual meeting and at VSIA-2000 by the chairs of three taskforce subcommittees on (1) reference axes, (2) describing functions, and (3) model eyes...
  22. ncbi request reprint The precision of wavefront refraction compared to subjective refraction and autorefraction
    Konrad Pesudovs
    Department of Ophthalmology, NH and MRC Centre of Clinical Eye Research, Flinders University and Flinders Medical Centre, Bedford Park, South Australia, Australia
    Optom Vis Sci 84:387-92. 2007
    ....
  23. ncbi request reprint Aberrometry: the past, present, and future of optometry
    Larry N Thibos
    Optom Vis Sci 80:1-2. 2003
  24. ncbi request reprint Making sense out of wavefront sensing
    Jay S Pepose
    Pepose Vision Institute, St Louis, Missouri, USA
    Am J Ophthalmol 139:335-43. 2005
  25. ncbi request reprint Comparison of monochromatic ocular aberrations measured with an objective cross-cylinder aberroscope and a Shack-Hartmann aberrometer
    Xin Hong
    School of Optometry, Indiana University, Bloomington, Indiana 47405 3680, USA
    Optom Vis Sci 80:15-25. 2003
    ..Multivariate statistical analysis indicated that the SH aberrometer discriminated between subjects much better than did the objective aberroscope...
  26. ncbi request reprint Aberrometry: clinical and research applications
    Raymond A Applegate
    Optom Vis Sci 80:85-6. 2003
  27. ncbi request reprint The importance of the phase transfer function to visual function and visual quality metrics
    Edwin J Sarver
    Sarver and Associates, Inc, Makanda, IL, USA
    J Refract Surg 20:S504-7. 2004
    ..To propose a vision quality metric that directly incorporates the phase transfer function...
  28. ncbi request reprint Accuracy and precision of objective refraction from wavefront aberrations
    Larry N Thibos
    School of Optometry, Indiana University, Bloomington, IN, USA
    J Vis 4:329-51. 2004
    ..If objective refractions are more precise than subjective refractions, then wavefront methods may become the new gold standard for specifying conventional and/or optimal corrections of refractive errors...
  29. pmc Extracting wavefront error from Shack-Hartmann images using spatial demodulation
    Edwin J Sarver
    Sarver and Associates Inc, 131 Phillips Rd, Carbondale, IL 62902, USA
    J Refract Surg 22:949-53. 2006
    ..To determine whether the spatial demodulation processing of Shack-Hartmann images is suitable for extracting wavefront gradients for ocular wavefront sensors...

Research Grants18

  1. ABERRATIONS OF EYES IN NORMAL AND CLINICAL POPULATIONS
    Raymond Applegate; Fiscal Year: 2006
    ..abstract_text> ..
  2. ABERRATIONS OF EYES IN NORMAL AND CLINICAL POPULATIONS
    Raymond A Applegate; Fiscal Year: 2010
    ..abstract_text> ..
  3. Optical aberration and visual performance in highly aberrated eyes
    Raymond Applegate; Fiscal Year: 2009
    ..1 ..
  4. ABERRATIONS OF EYES IN NORMAL AND CLINICAL POPULATIONS
    Raymond Applegate; Fiscal Year: 2007
    ..abstract_text> ..
  5. ABERRATIONS OF EYES IN NORMAL AND CLINICAL POPULATIONS
    Raymond Applegate; Fiscal Year: 2003
    ....
  6. ABERRATIONS OF EYES IN NORMAL AND CLINICAL POPULATIONS
    Raymond Applegate; Fiscal Year: 1993
    ....
  7. Optical aberration and visual performance in highly aberrated eyes
    Raymond A Applegate; Fiscal Year: 2010
    ..1 ..