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Oman J Ophthalmol. 2013 May;6(2):96-8. doi: 10.4103/0974-620X.116640.

Correlation of visual functions with macular thickness in primary open angle glaucoma.

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1
Department of Ophthalmology, King Georges' Medical University, Lucknow, Uttar Pradesh, India.

Abstract

AIM:

The aim of this study was to establish a correlation between macular thickness on optical coherence tomography (OCT) and 2 visual functions (visual acuity and contrast sensitivity [CS]) in established cases of primary open angle glaucoma (POAG).

MATERIALS AND METHODS:

A total of 50 consecutive patients of established POAG between 40 years and 70 years of age attending the glaucoma clinic of a tertiary care eye center in North India were enrolled for this cross-sectional study. Best corrected visual acuity (BCVA), CS and macular thickness by spectral-domain-OCT (Cirrus HD-OCT, CarlZeiss, Germany) were evaluated.

STATISTICAL ANALYSIS:

The groups were compared together by one factor analysis of variance and the significance of mean difference between the groups was done by Newman-Keuls test.

RESULTS:

Newman-Keuls test revealed a direct relationship of macular thickness to BCVA and CS (P < 0.05).

CONCLUSION:

BCVA and CS are directly related to the macular thickness on OCT.

KEYWORDS:

Contrast sensitivity; macular thickness; optical coherence tomography; primary open angle glaucoma; visual acuity

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