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Title

Accommodation-dependent model of the human eye with aspherics

AuthorsNavarro, Rafael; Santamaría, Javier; Bescós, J.
KeywordsVision tests
Aspherics
Issue DateAug-1985
PublisherOptical Society of America
CitationJournal of the Optical Society of America. A 2(8): 1273-81 (1985)
AbstractWe consider a schematic human eye with four centered aspheric surfaces. We show that by introducing recent experimental average measurements of cornea and lens into the Gullstrand-Le Grand model, the average spherical aberration of the actual eye is predicted without any shape fitting. The chromatic dispersions are adjusted to fit the experimentally observed chromatic aberration of the eye. The polychromatic point-spread function and modulation transfer function are calculated for several pupil diameters and show good agreement with previous experimental results. Finally, from this schematic eye an accommodation-dependent model is proposed that reproduces the increment of refractive power of the eye during accommodation. The variation of asphericity with accommodation is also introduced in the model and the resulting optical performance studied.
DescriptionContiene: 5 tablas y 11 ilustraciones.
Publisher version (URL)http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-2-8-1273
URIhttp://hdl.handle.net/10261/29930
DOI10.1364/JOSAA.2.001273
ISSN1084-7529
Appears in Collections:(CFMAC-IO) Artículos
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