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Hedva Miller, DSc; Benjamin Miller, MD

Arch Ophthalmol. 1993;111(6):855-860.

Abstract
• Experimental subretinal neovascularization in the monkey eye was treated by photodynamic therapy with rose bengal. Following intravenous injection of rose bengal, the subretinal vessels were irradiated with filtered light. Successful treatment was achieved, provided the subretinal vessels were irradiated during the period in which the dye was present in and around the subretinal vessels but had already cleared from the retinal vasculature. The successfully treated lesions demonstrated replacement of the leaking and pooling subretinal vessels with a nonleaky scar. Morphologic evaluation revealed immediate destruction of the subretinal plexus, with minimal damage to the overlying retina. The destroyed subretinal tuft was replaced by a scar containing mainly fibroblasts embedded in collagen fibers. Our results suggest that photodynamic therapy is potentially useful for destruction of subretinal vessels without damaging the overlying retina.

Author Affiliations
From the Department of Ophthalmology, Rambam Medical Center (Dr B. Miller) and The Bruce Rappaport Faculty of Medicine (Drs H. Miller and B. Miller), Technion-Israel Institute of Technology, Haifa.

Footnotes
Accepted for publication December 18, 1992.

Reprint requests to The Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, PO Box 9649, Haifa, Israel 31096 (Dr H. Miller).

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