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Deformation of Optic Nerve Head and Peripapillary Tissues by Horizontal Duction.

Authors
  • Chang, Melinda Y1
  • Shin, Andrew1
  • Park, Joseph1
  • Nagiel, Aaron1
  • Lalane, Robert A1
  • Schwartz, Steven D1
  • Demer, Joseph L2
  • 1 Department of Ophthalmology, David Geffen Medical School at University of California, Los Angeles, California; Stein Eye Institute, David Geffen Medical School at University of California, Los Angeles, California.
  • 2 Department of Ophthalmology, David Geffen Medical School at University of California, Los Angeles, California; Stein Eye Institute, David Geffen Medical School at University of California, Los Angeles, California; Department of Neurology, David Geffen Medical School at University of California, Los Angeles, California; Neuroscience, David Geffen Medical School at University of California, Los Angeles, California; Bioengineering Interdepartmental Program, David Geffen Medical School at University of California, Los Angeles, California. Electronic address: [email protected]
Type
Published Article
Journal
American journal of ophthalmology
Publication Date
Feb 01, 2017
Volume
174
Pages
85–94
Identifiers
DOI: 10.1016/j.ajo.2016.10.001
PMID: 27751810
Source
Medline
License
Unknown

Abstract

Adduction temporally tilts and displaces the prelaminar ONH and peripapillary tissues. Both adduction and abduction compress the peripapillary choroid. These effects support magnetic resonance imaging and biomechanical evidence that adduction imposes strain on the ONH and peripapillary tissues. Repetitive strain from eye movements over decades might in susceptible individuals lead to optic neuropathies such as normal tension glaucoma.

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