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The Histopathology of Corneal NeovascularizationInhibitor Effects
Jeffrey B. Robin, MD;
Luiz F. Regis-Pacheco, MD;
Roger L. Kash;
David J. Schanzlin, MD
Arch Ophthalmol. 1985;103(2):284-287.
Abstract
• With the use of a previously described model of corneal neovascularization induced by thermal cautery, we examined the effects of inhibitors on both the incidence of corneal neovascularization and the degree of inflammatory cell response. Three known inhibitors of corneal neovascularization, 1% prednisolone acetate, indomethacin, and 0.3% flurbiprofen, were studied and the results were compared with those in saline-treated controls. As expected, corneal neovascularization, preceded by conjunctival and corneal polymorphonuclear leukocyte (PMNL) infiltration, occurred in all control animals. Corneal neovascularization did not occur in any of the inhibitor-treated eyes. Histopathologically, both conjunctival and corneal PMNL counts in the treated eyes were markedly reduced compared with controls. These findings are consistent with the hypothesis that inflammatory cells, particularly PMNLs, are closely associated with the initiation of corneal neovascularization.
Author Affiliations
From the Estelle Doheny Eye Foundation, Department of Ophthalmology, University of Southern California, Los Angeles. Dr Robin is now at Louisiana State University School of Medicine, New Orleans.
Footnotes
Accepted for publication Sept 28, 1984.
Read in part at the Annual Meeting of the Association for Research in Vision and Ophthalmology, Sarasota, Fla, May 5, 1982.
Reprint requests to Estelle Doheny Eye Foundation, 1355 San Pablo St, Los Angeles, CA 90033 (Dr Schanzlin).
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