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Pathogenesis of Orderly Loss of Nerve Fibers in Glaucoma | OMICS International| Abstract
ISSN: 2476-2075

Optometry: Open Access
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  • Review Article   
  • Optom open access 2016, Vol 1(2): 110
  • DOI: 10.4172/2476-2075.1000110

Pathogenesis of Orderly Loss of Nerve Fibers in Glaucoma

Syed S Hasnain*
General Ophthalmology, , 560 W, Putnam Ave, USA
*Corresponding Author : Syed S Hasnain, General Ophthalmology, 560 W, Putnam Ave, Suite #6 Porterville, CA 93257, USA, Tel: 559-781-7482, Fax: 559-781-8446, Email: hasnain40@sbcglobal.net

Received Date: Apr 26, 2016 / Accepted Date: May 06, 2016 / Published Date: May 09, 2016

Abstract

Chronic Glaucoma, commonly known as glaucoma, is a misunderstood disease since given a separate entity in the 1850s. Currently, there are many conflicting views of glaucoma but on one issue we have complete agreement: the million or so densely packed nerve fibers (NFs) in the optic nerve head (ONH) are being destroyed in an orderly tandem fashion from peripheral to central, never randomly–a pathognomonic feature. The orderly destruction of NFs is perhaps the only lead we have in solving the mystery of glaucoma, but rarely discussed. If the NFs were not destroyed in a predictable orderly sequence, the role of perimetry in glaucoma would be meaningless.
Various theories have been postulated regarding the pathogenesis of glaucoma, but none of them have addressed the crucial question of orderly destruction of NFs, which can’t be ignored. For any glaucoma theory to prevail, it must incorporate the issue of the orderly destruction of NFs otherwise it will be of no value. The ‘cupping’ theory dating back 160 years and the more recent theories like apoptosis, neurodegeneration, vascular pressure and others fail to answer the question of orderly loss of NFs in glaucoma.
This article examines the prevalent theories of glaucoma in the context of orderly loss of NFs and attempts to describe the hypothesis of the sinking disc and severance of nerve fibers corroborating with orderly loss in glaucoma.

Keywords: Nerve fibers; Glaucoma; Optic nerve head; Orderly loss

Citation: Hasnain SS (2016) Pathogenesis of Orderly Loss of Nerve Fibers in Glaucoma. Optom open access 1: 110. Doi: 10.4172/2476-2075.1000110

Copyright: © 2016 Hasnain SS. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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