Glaucoma nerve fiber

Assessment of the optic nerve head and retinal nerve fiber layer should occur for all glaucoma patient and glaucoma suspects. 

Do not expect visual field findings to correspond to the structural assessment of the optic nerve or retinal nerve fiber layer in early glaucoma. 

Primary open-angle glaucoma (POAG) is a multifactorial chronic optic neuropathy with a characteristic acquired loss of optic nerve fibers. Cupping and atrophy of the optic disc occur in the absence of other known causes. Such damage develops in the presence of open anterior chamber angles. It produces characteristic visual field abnormalities. lOP is too high for the continued health of the eye. 

R. W. Knighton and X. R. Huang, Visible and Near-Infrared Imaging of the Nerve Fiber Layer of the Isolated Rat Retina, J. Glaucoma, 8(1), 31-37 (1999). 

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