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ORIGINAL ARTICLE
Year : 2019  |  Volume : 5  |  Issue : 2  |  Page : 163-166

To evaluate the relationship of macular thickness and field sensitivity in glaucoma patients


1 Additional Professor, Dept. of RIO, IGIMS, Patna, Bihar, India
2 Senior Resident, Dept. of RIO, IGIMS, Patna, Bihar, India
3 Associate Professor, Dept. of RIO, IGIMS, Patna, Bihar, India

Correspondence Address:
Nilesh Mohan
Associate Professor, RIO, IGIMS, Patna
India
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Source of Support: None, Conflict of Interest: None


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Purpose: To evaluate the strength and pattern of the relationship between visual field (VF) sensitivity and macular thickness as measured by Humphrey 24-2 & 3D-OCT ( Topcon 3D OCT-1 Maestro) Material & Method: 269 eyes of 200 consecutive patients in which 100 normal eyes, 50 Glaucoma suspect, 50 early Glaucoma and 69 eyes of Advance glaucoma were enrolled in this prospective, non-randomized and observational study. The Relationship between macular segmented layer along with visual field sensitivity in terms of mean deviation (MD) were evaluated with linear and nonlinear regression models, and the coefficient of determination (R2) was calculated. The association between Macular Thickness/VF was described by bivariate Pearson correlation coefficients. Result: there was no significant difference between mean Inner ring and central ring OCT device in four different groups however the outer ring was the only macular parameter that could significantly differentiate between four groups. The correlation between perimetry and macular thickness shows a very weak, negative, statistically not significant correlation in normal, Glaucoma Suspect and Early Glaucoma group but as the Mean deviation (MD) increased macular thickness decreases, but this correlation is not statistically significant. However there was significant correlation between the mean deviation (MD) and Macular Thickness in the Advanced Glaucoma Group Conclusion: Macular thickness as measured by OCT showed statistically significant correlations with glaucoma. Macular thickness measurements made with OCT have usefulness in the clinical assessment of glaucoma.


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