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Opt Lett. 2007 Apr 15;32(8):1000-2.

Vision improvement by correcting higher-order aberrations with customized soft contact lenses in keratoconic eyes.

Author information

1
Institute of Optics, University of Rochester, Rochester, New York 14627, USA. ramkumar@optics.rochester.edu

Abstract

Higher-order aberration correction in abnormal eyes can result in significant vision improvement, especially in eyes with abnormal corneas. Customized optics such as phase plates and customized contact lenses are one of the most practical, nonsurgical ways to correct these ocular higher-order aberrations. We demonstrate the feasibility of correcting higher-order aberrations and improving visual performance with customized soft contact lenses in keratoconic eyes while compensating for the static decentration and rotation of the lens. A reduction of higher-order aberrations by a factor of 3 on average was obtained in these eyes. The higher-order aberration correction resulted in an average improvement of 2.1 lines in visual acuity over the conventional correction of defocus and astigmatism alone.

PMID:
17375181
[Indexed for MEDLINE]

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