May 2008
Volume 49, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2008
Visual Quality Measurements in Subjects With Age-Related Macular Degeneration
Author Affiliations & Notes
  • C. Ortiz
    Optics, University of Granada, Granada, Spain
  • J. R. Jiménez
    Optics, University of Granada, Granada, Spain
  • F. Pérez-Ocón
    Optics, University of Granada, Granada, Spain
  • I. Muñoz
    University Clinic Hospital of Granada, Granada, Spain
  • Footnotes
    Commercial Relationships  C. Ortiz, None; J.R. Jiménez, None; F. Pérez-Ocón, None; I. Muñoz, None.
  • Footnotes
    Support  This research was supported by Organización Nacional de Ciegos Españoles (ONCE), by Ministerio de Educación y Ciencia (Spain) grant FIS2006-01369 and Junta de Andalucía (Spain) grant P06-FQM-01359.
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 989. doi:https://doi.org/
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    • Get Citation

      C. Ortiz, J. R. Jiménez, F. Pérez-Ocón, I. Muñoz; Visual Quality Measurements in Subjects With Age-Related Macular Degeneration. Invest. Ophthalmol. Vis. Sci. 2008;49(13):989. doi: https://doi.org/.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: : To test two differents devices, an aberrometer and a device that evaluates visual quality based on double-pass technique in subjects with age-related macular degeneration and to compare these data with experimental results from psychophysical tests in order to evaluate visual performance.

Methods: : Data on visual quality were taken from a WASCA aberrometer based on Hartmann-Shack sensor and from a double-pass instrument (OQAS, Optical Quality Analysis System) based on recording images of a point source after reflection in the retina and a double pass through ocular media. For visual performance we determined CSF (Contrast Sensitivity Function). Data were taken from fifty-three eyes of 35 subjects with age-related macular degeneration.

Results: : All ARMD-eyes had affected contrast sensitivity most severely in the medium and high spatial frecuency range (p<0.05). For five patients (with one healthy eye) the average Strehl Ratio diminished for ARMD-eyes demonstrating a great influence of ocular aberrations and scattering with significance at p<0.05 in all cases. Data on aberrometry also shown that higher-order aberrations were higher in the non-healthy eye (p<0.05).

Conclusions: : ARMD-eyes showed a worse visual performance and this is correlated with data provided by objective data (aberrometer and double-pass technique)

Keywords: age-related macular degeneration • aging: visual performance • contrast sensitivity 
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