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ORIGINAL ARTICLE
Year : 2006  |  Volume : 54  |  Issue : 1  |  Page : 11-15

Retinal nerve fibre layer thickness measurements in normal Indian population by optical coherence tomography


Aravind-Zeiss Centre of Excellence for Glaucoma, Aravind Eye Hospital, Tirunelveli, Tamil Nadu, India

Correspondence Address:
R Ramakrishnan
Aravind-Zeiss Centre of Excellence for Glaucoma, Aravind Eye Hospital, Tirunelveli, Tamil Nadu - 627001
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0301-4738.21608

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Purpose: To obtain retinal nerve fibre layer thickness measurements by optical coherence tomography (OCT) in normal Indian population. Materials and Methods: Total of 118 randomly selected eyes of 118 normal Indian subjects of both sex and various age groups underwent retinal nerve fiber layer thickness analysis by Stratus OCT 3000 V 4.0.1. The results were evaluated and compared to determine the normal retinal nerve fiber layer thickness measurements and its variations with sex and age. Results: Mean + standard deviation retinal nerve fiber layer thickness for various quadrants of superior, inferior, nasal, temporal, and along the entire circumference around the optic nerve head were 138.2 + 21.74, 129.1 + 25.67, 85.71 + 21, 66.38 + 17.37, and 104.8 + 38.81 m, respectively. There was no significant difference in the measurements between males and females, and no significant correlation with respect to age. Conclusion: Our results provide the normal retinal nerve fiber layer thickness measurements and its variations with age and sex in Indian population.


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