Corneal Topographic Changes after Radial Keratotomy

Peter J. McDonnell; Jenny Garbus

doi:10.1016/S0161-6420(89)32927-7

Corneal Topographic Changes after Radial Keratotomy

Peter J. McDonnell, Jenny Garbus

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

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.

Original language	English (US)
Pages (from-to)	45-49
Number of pages	5
Journal	Ophthalmology
Volume	96
Issue number	1
DOIs	https://doi.org/10.1016/S0161-6420(89)32927-7
State	Published - Jan 1 1989
Externally published	Yes

ASJC Scopus subject areas

Ophthalmology

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AB - 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.

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Corneal Topographic Changes after Radial Keratotomy

Abstract

ASJC Scopus subject areas

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