Optical design of low index intraocular lenses

Atchison, David A. (1991) Optical design of low index intraocular lenses. Journal of Cataract and Refractive Surgery, 17(3), pp. 292-300.


The effect of shape of low index (1.43) intraocular lenses on optical performance of pseudophakic eyes was investigated. A range of image quality criteria was used. The optimum lens for on-axis vision was biconvex, with the more curved surface facing the cornea. For small off-axis angles, optimum lens shape varied with the ocular parameters. A recommended range of intraocular lenses is plano-convex (with the curved shape facing the cornea) to equi-convex. Compared with conventional poly(methyl methacrylate) lenses (1.492 index), optimum lens shapes of low index lenses were less sensitive to changes in eye parameters and lens fitting position. The magnitudes of aberration of pseudophakic eyes varied more with changes in lens shape and lens position in low index lenses than in conventional lenses.

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4 citations in Web of Science®
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ID Code: 4613
Item Type: Journal Article
Refereed: Yes
Additional Information: For more information, please refer to the journal’s website (see link) or contact the author. Author contact details: d.atchison@qut.edu.au
Additional URLs:
Keywords: Human, Lenses, Intraocular, Mathematics, Methylmethacrylates, Models, Anatomic, Optics, Prosthesis Design, Refractometry, Support, Non, U, S, Gov't
ISSN: 0886-3350
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 1991 Elsevier
Deposited On: 17 Aug 2006 00:00
Last Modified: 15 Jan 2009 07:08

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