Those recurrences account for an additional 28,000 cases per year in the U.S. The risk of blindness increases with the number and severity of recurrences, making prompt treatment imperative to limit scarring and other more serious complications caused by herpetic epithelial ulcers.About Ganciclovir Ophthalmic Gel, 0.15%Sirion Therapeutics has an exclusive licensing agreement with Laboratoires Thea