Ganciclovir ophthalmic gel delivers multiple advantages in the treatment and prophylaxis of herpetic keratitis and shows potential for effectiveness against other viral ocular infections. The majority of adenoviral conjunctivitis will resolve without damaging vision, however, the investigators have no way to determine which cases will progress to ocular complications such as corneal infiltrates and pseudomembranes. Our purpose is to evaluate the efficacy of the Ganciclovir gel 0.15% in preventing ocular complications after adenoviral conjunctivitis.