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1 General aspects (0)   1.1 Epidemiology (2)   1.2 Population genetics (1)   1.3 Pathogenesis (3)   1.4 Quality of life (2)   1.5 Glaucomas as cause of blindness (3)   1.6 Prevention and screening (5) 2 Anatomical structures in glaucoma (0)   2.1 Conjunctiva (0)   2.2 Cornea (19)   2.3 Sclera (0)   2.4 Anterior chamber angle (1)   2.5 Meshwork (0)     2.5.1 Trabecular meshwork (12)     2.5.2 Schlemms canal (1)     2.5.3 Scleral outlet channels (0)   2.6 Aqueous humor dynamics (2)     2.6.1 Production (0)     2.6.2 Outflow (1)       2.6.2.1 Trabecular meshwork (0)       2.6.2.2 Uveoscleral (0)     2.6.3 Compostion (0)   2.7 Episcleral veins and venous pressure (0)   2.8 Iris (0)   2.9 Ciliary body (0)   2.10 Lens (0)   2.11 Vitreous body (0)   2.12 Choroid, peripapillary choroid, peripapillary atrophy (1)   2.13 Retina and retinal nerve fibre layer (8)   2.14 Optic disc (10)   2.15 Optic nerve (2)   2.16 Chiasma and retrochiasmal central nervous system (0)   2.17 Stem cells (0)   2.20 Other (0) 3 Laboratory methods (0)   3.1 Microscopy (1)   3.2 Electron microscopy (3)   3.3 Immunohistochemistry (5)   3.4 Molecular genetics (0)     3.4.1 Linkage studies (10)     3.4.2 Gene studies (6)   3.5 Molecular biology incl. 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Abstract #13588 Published in IGR 8-2

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

Ramakrishnan R; Mittal S; Ambatkar S; Kader MA
Indian Journal of Ophthalmology 2006; 54: 11-15

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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 μm, 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.

Dr. R. Ramakrishnan, Aravind-Zeiss Centre of Excellence for Glaucoma, Aravind Eye Hospital, Tirunelveli, Tamil Nadu, 627001, India

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Classification:

6.9.2 Optical coherence tomography (Part of: 6 Clinical examination methods > 6.9 Computerized image analysis)

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