6 COLOR DOPPLER EXAMINATION OF OPHTHALMIC ARTERY IN NORMAL TENSION GLAUCOMA.
Journal Title: Indian journal of applied basic medical sciences - Year 2016, Vol 18, Issue 26
Abstract
Glaucoma can be defined as an optic nerve disease with typical morphological and functional changes. There are many risk factors associated with this neuropathy. The best known factor is an increased intraocular pressure there are however many other risk factors. Among them, vascular factors play a major role. Although such vascular factors have been postulated more than hundred years ago, it is only recently that the physiology and pathophysiology optic nerve head circulation is , to some extent, understood. Blood flow velocity in the extra-ocular vessels are reduced in patient with glaucoma. Reduced blood flow velocity may be secondary as well as contributory to glaucomatous damage. New instruments have been developed to measure ocular blood flow including blood flow in optic nerve head. Although most of the studies indicate that circulation is changed in glaucoma patients, there is little association between glaucoma seems rather to be a vascular deregulation leading to local vasospasm and to systemic hypotension.
Authors and Affiliations
Dr Anupama Mahant, Dr Vijay Damor
Keywords
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