STUDY OF RETINAL NERVE FIBRE LAYER THICKNESS IN CASES OF PRIMARY OPEN ANGLE GLAUCOMA IN CORRELATION WITH PERIMETRIC CHANGES AND CENTRAL CORNEAL THICKNESS

Glaucoma is one of the leading causes of blindness in the developed countries. In developing countries like India, glaucoma is the second leading cause of blindness after cataract. Primary open angle glaucoma is a multifactorial disorder characterised by death of retinal ganglion cells which results in a characteristic optic neuropathy and concomitant visual field reduction.The central corneal thickness (CCT) as well as the intraocular pressure (IOP) are important for assessing glaucoma since a low CCTwill underestimate IOP which will affect the prognosis of glaucoma. In this study, we sought to assess the correlation between central corneal thickness (CCT) and quantitative measurements of retinal nerve fiber layer (RNFL).Our findings indicated that glaucomatous eyes with thinner corneas were associated with larger and deeper optic disc cups, suggesting that these eyes may be at an increased risk for RNFL loss.