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Título

Measurement of the wave-front aberration of the eye by a fast psychophysical procedure

Autor He, Ji Chang; Marcos, Susana ; Webb, R. H.; Burns, Stephen A.
Palabras clave [OCIS] Atmospheric and oceanic optics: Active or adaptive optics
[OCIS] Vision, color, and visual optics: Physiological optics
[OCIS] Vision, color, and visual optics: Psychophysics
[OCIS] Vision, color, and visual optics: Vision
Fecha de publicación sep-1998
EditorOptical Society of America
Citación Journal of the Optical Society of America A 15(9): 2449-2456 (1998)
ResumenWe used a fast psychophysical procedure to determine the wave-front aberrations of the human eye in vivo. We measured the angular deviation of light rays entering the eye at different pupillary locations by aligning an image of a point source entering the pupil at different locations to the image of a fixation cross entering the pupil at a fixed location. We fitted the data to a Zernike series to reconstruct the wave-front aberrations of the pupil. With this technique the repeatability of the measurement of the individual coefficients was 0.019 mm. The standard deviation of the overall wave-height estimation across the pupil is less than 0.3 mm. Since this technique does not require the administration of pharmacological agents to dilate the pupil, we were able to measure the changes in the aberrations of the eye during accommodation. We found that administration of even a mild dilating agent causes a change in the aberration structure of the eye.
Descripción 8 pages, 7 figures.-- OCIS codes: 330.5510, 330.5370, 010.1080, 330.7310.-- PMID: 9729856 [PubMed].
Versión del editorhttp://dx.doi.org/10.1364/JOSAA.15.002449
URI http://hdl.handle.net/10261/8813
DOI10.1364/JOSAA.15.002449
ISSN1084-7529
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