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Título

Customized computer models of eyes with intraocular lenses

Autor Rosales, Patricia; Marcos, Susana
Palabras clave [OCIS] Geometric optics: Aberrations (global)
[OCIS] Instrumentation, measurement, and metrology: Lens system design
[OCIS] Medical optics and biotechnology: Ophthalmic optics and devices
[OCIS] Vision, color, and visual optics: Physiological optics
Intraocular lenses (IOLs)
Eye models
Fecha de publicación 5-mar-2007
EditorOptical Society of America
Citación Optics Express 15(5): 2204-2218 (2007)
ResumenWe compared experimental wave aberrations in pseudophakic eyes with aspheric intraocular lenses (IOLs) to simulate aberrations from numerical ray tracing on customized computer eye models using corneal topography, angle λ, ocular biometry, IOL geometry, and IOL tilt and decentration measured on the same eyes. We found high correlations between real and simulated aberrations even for the eye with only the cornea, and these increased on average when the IOL geometry and position were included. Relevant individual aberrations were well predicted by the complete eye model. Corneal spherical aberration and horizontal coma were compensated by the IOL, and in 58.3% of the cases IOL tilt and decentration contributed to compensation of horizontal coma. We conclude that customized computer eye models are a good representation of real eyes with IOLs and allow understanding of the relative contribution of optical, geometrical and surgically-related factors to image quality. Corneal spherical aberration is reduced by aspheric IOLs, although other corneal high order aberrations are still a major contributor to total aberrations in pseudophakic eyes. Tilt and decentration of the IOLs represent a relatively minor contribution of the overall optical quality of the eye.
Descripción 15 pages, 8 figures.-- OCIS codes: 080.1010, 120.3620, 170.4460, 330.5370.
Versión del editorhttp://dx.doi.org/10.1364/OE.15.002204
URI http://hdl.handle.net/10261/8573
DOI10.1364/OE.15.002204
ISSN1094-4087
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