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Approach to the Diagnosis and Differentiation of Glaucomatous and Nonglaucomatous Optic Neuropathies

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Abstract

Optic neuropathy denotes degeneration of the retinal ganglion cells with functional and structural impairment of the optic nerve. Functional damage of the optic nerve can be evaluated by checking visual acuity, color vision, pupillary function, and perimetric visual fields. Characteristic optic nerve head changes are usually evident in glaucomatous and nonglaucomatous optic neuropathies, and the loss of optic nerve fiber bundles can be confirmed and quantified with optical coherence tomography (OCT). Although an optic neuropathy can often be diagnosed with careful history taking and clinical examination, differentiating glaucomatous from nonglaucomatous optic neuropathies may not be straightforward. This chapter summarizes and highlights the important features of history taking, clinical examination, and investigation that are required to differentiate between glaucomatous and nonglaucomatous optic neuropathies. With increasing popularity of the use of spectral-domain OCT for the evaluation of glaucomatous and nonglaucomatous optic neuropathies, an update on its application to detect and monitor optic nerve degeneration is also discussed.

Keywords

Optical Coherence Tomography Retinal Nerve Fiber Layer Optic Neuropathy Retinal Nerve Fiber Layer Thickness Retinal Nerve Fiber Layer Defect 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Disclosures

C.L.: Speaker honorarium—Carl Zeiss Meditec, Heidelberg Engineering, Topcon; Research support—Carl Zeiss Meditec, Optovue, Tomey.

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Department of Ophthalmology & Visual SciencesUniversity Eye Center, Hong Kong Eye Hospital, The Chinese University of Hong KongKowloonHong Kong
  2. 2.Department of Ophthalmology, Hong Kong Eye HospitalThe Chinese University of Hong KongKowloonHong Kong

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