Neuroprotection in glaucoma: A model for nouroprotection in optic neuropathies

Document Type

Journal Article

Publication Date

12-1-2003

Journal

Current Opinion in Ophthalmology

Volume

14

Issue

6

DOI

10.1097/00055735-200312000-00006

Keywords

Apoptosis; Axon; Glaucoma; Neurodegeneration; Neuroprotection; Neurorepair; Neurorescue; Neurorestoration; Optic nerve; Retinal ganglion cell

Abstract

Purpose of review: Efforts to discover modalities and pathophysiologies that might afford successful neurorescue, neurorestoration, and neuroprotection of cells of the central nervous system have focused on processes that affect the central nervous system proper, that is, the brain. Often overlooked in the search for neural protection is the fact that the mammalian optic nerve behaves in many ways as an integral part of the central nervous system. As such, the eye-the optic nerve and retina-affords an ideal clinical model for neuroprotection and neuroprotective agents. Glaucomatous optic neuropathy is the most prevalent of all adult optic neuropathies, and offers an ideal primate and lower mammalian animal model for investigations of neuroprotection. Recent findings: This is especially compelling because while recent studies in glaucoma have shown reduction of intraocular pressure (IOP) to be an effective modality in the treatment of glaucomatous opt c neuropathy, not all patients respond to or can achieve meaningful IOP reductions. Therefore much attention has now been focused on neuroprotection as a strategy in therapies for glaucomatous optic neuropathy as a means of preserving retinal ganglion cells and their axonal projections. Summary: This review discusses the latest studies on various mechanisms of neuroprotection in the treatment of glaucomatous optic neuropathy. © 2003 Lippincott Williams & Wilkins.

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