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The Topographic Distribution of the First Sites of Diabetic Retinal Neovascularization

Authors
  • Feman, Stephen S.
  • Leonard-Martin, Thomas C.
  • Semchyshyn, Taras M.
Type
Published Article
Journal
American Journal of Ophthalmology
Publisher
Elsevier
Publication Date
Jan 01, 1998
Accepted Date
Nov 20, 1997
Volume
125
Issue
5
Pages
704–706
Identifiers
DOI: 10.1016/S0002-9394(98)00013-0
Source
Elsevier
License
Unknown

Abstract

Purpose: To examine the topographic distribution of the origin of diabetic retinal neovascularization. Methods: The eyes of 3,121 patients with background diabetic retinopathy were investigated. These patients were volunteers in systemic medical therapy experiments. Color stereo photographs were obtained annually. The first retinal neovascularization sites were identified and the distances from the optic nerve measured. Results: In 1 year, neovascularization originated in 282 eyes. The superotemporal quadrant, at 6 mm from the optic disk, was the most frequent initial site. Conclusions: The first retinal neovascularization sites cluster around specific anatomic foci. This information should influence retinopathy monitoring protocols.

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