The effect of corneal thickness on applanation tonometry.

Abstract:

:Simultaneous manometry and Perkins tonometry were performed at 10.0, 20.0, and 30.0 mm Hg on 15 eyes on which intraocular procedures were performed. There was a statistically significant relationship between corneal thickness and the error of Perkins tonometry. Thin corneas produced underestimations of the intraocular pressure by as much as 4.9 mm Hg, whereas thick corneas produced overestimations by as much as 6.8 mm Hg. Measuring the corneal thickness is necessary to interpret properly the results of Goldmann applanation tonometry, particularly in eyes with thin corneas.

journal_name

Am J Ophthalmol

authors

Whitacre MM,Stein RA,Hassanein K

doi

10.1016/s0002-9394(14)71455-2

subject

Has Abstract

pub_date

1993-05-15 00:00:00

pages

592-6

issue

5

eissn

0002-9394

issn

1879-1891

pii

S0002-9394(14)71455-2

journal_volume

115

pub_type

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