Measured double-pass intensity point-spread function after adaptive optics correction of ocular aberrations

The double-pass intensity point-spread function was recorded in four subjects using a monochromatic source emitting at 543 nm, through a 6.7-mm diameter pupil i) at the fovea after adaptive optics correction of the ocular aberrations, ii) at the fovea without adaptive optics correction, and iii) at...

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Bibliographic Details
Published inOptics express Vol. 16; no. 22; p. 17348
Main Authors Logean, Eric, Dalimier, Eugénie, Dainty, Chris
Format Journal Article
LanguageEnglish
Published United States 27.10.2008
Subjects
Adult
Eye Abnormalities - physiopathology
Female
Fovea Centralis - physiology
Humans
Light
Male
Optical Phenomena
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Summary:The double-pass intensity point-spread function was recorded in four subjects using a monochromatic source emitting at 543 nm, through a 6.7-mm diameter pupil i) at the fovea after adaptive optics correction of the ocular aberrations, ii) at the fovea without adaptive optics correction, and iii) at 2 degrees of eccentricity with adaptive optics correction. The half-width at half-maximum of the double-pass point-spread function was narrower after correction of the ocular aberrations. At 2 degrees of eccentricity this width was larger than at the fovea. The minimum widths were about 1.1 arcmin in dark pigmented eyes and 1.6 arcmin in light pigmented eyes. These values are 6 to 9 times larger than the width expected from diffraction alone.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.16.017348