Comparison of MacKay-Marg, Goldmann, and Perkins Tonometers in Abnormal Corneas

Fred McMillan; Richard K. Forster

doi:10.1001/archopht.1975.01010020434007

Comparison of MacKay-Marg, Goldmann, and Perkins Tonometers in Abnormal Corneas

Fred McMillan, Richard K. Forster

Ophthalmology

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

61 Scopus citations

Abstract

Intraocular pressure was determined manometrically in owl monkey eyes with normal and edematous corneas. The pressure was measured with Perkins hand held, Goldmann, and MacKay Marg tonometers to compare relative accuracy. At manometric levels of 20, 30, and 40 mm Hg, a statistically significant difference in readings was found between normal and edematous corneas with use of the Perkins and Goldmann applanators, whereas no such difference was found with the MacKay Marg tonometer. The MacKay Marg tonometer most closely approximated the true intraocular pressure in edematous corneas.

Original language	English (US)
Pages (from-to)	420-424
Number of pages	5
Journal	Archives of ophthalmology
Volume	93
Issue number	6
DOIs	https://doi.org/10.1001/archopht.1975.01010020434007
State	Published - Jun 1975

Keywords

Goldmann
MacKay-Marg
Perkins hand-held
abnormal corneas
applanator
edematous
intraocular pressure
manometric
owl monkey
pachometer
tonometer

ASJC Scopus subject areas

Ophthalmology

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10.1001/archopht.1975.01010020434007

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abstract = "Intraocular pressure was determined manometrically in owl monkey eyes with normal and edematous corneas. The pressure was measured with Perkins hand held, Goldmann, and MacKay Marg tonometers to compare relative accuracy. At manometric levels of 20, 30, and 40 mm Hg, a statistically significant difference in readings was found between normal and edematous corneas with use of the Perkins and Goldmann applanators, whereas no such difference was found with the MacKay Marg tonometer. The MacKay Marg tonometer most closely approximated the true intraocular pressure in edematous corneas.",

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Comparison of MacKay-Marg, Goldmann, and Perkins Tonometers in Abnormal Corneas

Abstract

Keywords

ASJC Scopus subject areas

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