Open Access

Normal‑tension glaucoma: Pathogenesis and genetics (Review)

  • Authors:
    • Alexandra Trivli
    • Ioannis Koliarakis
    • Chryssa Terzidou
    • George   N. Goulielmos
    • Charalambos S. Siganos
    • Demetrios   A. Spandidos
    • Georgios Dalianis
    • Efstathios T. Detorakis
  • View Affiliations

  • Published online on: November 26, 2018     https://doi.org/10.3892/etm.2018.7011
  • Pages: 563-574
  • Copyright: © Trivli et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Normal‑tension glaucoma (NTG) is a multifactorial optic neuropathy which, similar to open‑angle glaucomas, is characterized by progressive retinal ganglion cell death and glaucomatous visual field loss. The major distinction of NTG from open‑angle glaucomas is that the intraocular pressure (IOP) does not exceed the normal range. Missing the major risk factor and target of therapy, the elevated IOP, NTG poses a clinical challenge. Several insightful reviews have been published on the pathophysiology of NTG describing the possible underlying mechanisms. The current literature available also suggests that a significant percentage of patients with NTG (as high as 21%) have a family history of glaucoma, indicating a genetic predisposition to the disease. These facts strengthen the indication that NTG remains an enigmatic process. The aim of this review was to summarize the vascular, mechanical and genetic components considered to be responsible for NTG development and to discuss the mechanisms through which they are involved in the pathogenesis of NTG.
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January-2019
Volume 17 Issue 1

Print ISSN: 1792-0981
Online ISSN:1792-1015

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Spandidos Publications style
Trivli A, Koliarakis I, Terzidou C, Goulielmos GN, Siganos CS, Spandidos DA, Dalianis G and Detorakis ET: Normal‑tension glaucoma: Pathogenesis and genetics (Review). Exp Ther Med 17: 563-574, 2019.
APA
Trivli, A., Koliarakis, I., Terzidou, C., Goulielmos, G.N., Siganos, C.S., Spandidos, D.A. ... Detorakis, E.T. (2019). Normal‑tension glaucoma: Pathogenesis and genetics (Review). Experimental and Therapeutic Medicine, 17, 563-574. https://doi.org/10.3892/etm.2018.7011
MLA
Trivli, A., Koliarakis, I., Terzidou, C., Goulielmos, G. N., Siganos, C. S., Spandidos, D. A., Dalianis, G., Detorakis, E. T."Normal‑tension glaucoma: Pathogenesis and genetics (Review)". Experimental and Therapeutic Medicine 17.1 (2019): 563-574.
Chicago
Trivli, A., Koliarakis, I., Terzidou, C., Goulielmos, G. N., Siganos, C. S., Spandidos, D. A., Dalianis, G., Detorakis, E. T."Normal‑tension glaucoma: Pathogenesis and genetics (Review)". Experimental and Therapeutic Medicine 17, no. 1 (2019): 563-574. https://doi.org/10.3892/etm.2018.7011