Title

Paradoxical optical power increase of a deformable lens by equatorial stretching

Authors

Authors

R. A. Schachar; D. P. Cudmore; T. D. Black; J. C. Wyant; V. W. Shung; T. Huang; R. T. McKinney;J. P. Rolland

Comments

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Abbreviated Journal Title

Ann. Ophthalmol. Glaucoma

Keywords

Ophthalmology

Abstract

Yertical scanning interference microscope measurements of the mean radius of curvature (ROC) of bath surfaces of constant-volume deformable, water-filled lenses were obtained before and during small displacement stepped equatorial stretching in the plane perpendicular to the optical axis, Each lens demonstrated a marked decrease of the ROC at its optical center: However: the ROC increased in a region halfway between the center and the outer diameter of the lens, This is indicative of central steepening with peripheral flattening This is contrary to the assumption that stretching of the equator of a deformable lens will only reduce its optical power.

Journal Title

Annals of Ophthalmology & Glaucoma

Volume

30

Issue/Number

1

Publication Date

1-1-1998

Document Type

Article

Language

English

First Page

10

Last Page

18

WOS Identifier

WOS:000072519400007

ISSN

1079-4794

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