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Correlation between the pressure-to-cornea index and both structural and functional measures of glaucoma.

Abstract：

PURPOSE:the pressure-to-cornea index (PCI) was proposed in order to integrate intraocular pressure and central cornea thickness as a single-risk factor for glaucoma. The purpose of this study was to correlate the PCI with a structural and two functional measures of glaucoma. SETTING:University Hospital in South America. MATERIALS AND METHODS:Pressure-to-cornea index was calculated for 70 eyes of 36 subjects (glaucoma and suspects). Cup-to-disc (C/D) ratio, mean deviation (MD) and pattern standard deviation (PSD) as recorded by Humphrey automated perimetry (SITA 24-2) were correlated with PCI (Pearson's correlation coefficient). RESULTS:Pearson's correlation coefficient between PCI and C/D was 0.329 (95% confidence interval [95% CI], 0.09-0.526; P = 0.006); between PCI and MD was - 0.356 MD (95% CI, -0.549 to - 0.126; P = 0.003); and between PCI and PSD was - 0.215 (95% CI, -0.433 to 0.025; P = 0.07). CONCLUSION:In addition to serve as a single-risk factor, PCI can be used to stage glaucoma severity as well.

journal_name

Indian J Ophthalmol

journal_title

Indian journal of ophthalmology

authors

Franco AM,Kasahara N

doi

10.4103/0301-4738.143924

subject

Has Abstract

pub_date

2014-09-01 00:00:00

pages

907-10

issue

9

eissn

0301-4738

issn

1998-3689

pii

IndianJOphthalmol_2014_62_9_907_143924

journal_volume

62

pub_type

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