Corneal topographic changes after radial keratotomy.

Abstract:

:A high resolution photokeratoscope using digital video image acquisition and computer graphics was used to describe anterior corneal topography before and after radial keratotomy. After radial keratotomy, the entire cornea is flattened, but this effect is more pronounced centrally. The flat central "optical zone" varies in size, shape, and location. Regional variations in corneal power may explain phenomena observed after radial keratotomy, such as visual acuity that is better than would be expected on the basis of refractive error, and the occurrence of ghost images.

journal_name

Ophthalmology

journal_title

Ophthalmology

authors

McDonnell PJ,Garbus J

doi

10.1016/s0161-6420(89)32927-7

subject

Has Abstract

pub_date

1989-01-01 00:00:00

pages

45-9

issue

1

eissn

0161-6420

issn

1549-4713

pii

S0161-6420(89)32927-7

journal_volume

96

pub_type

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