Collagen Cross-Linking is a medical procedure primarily used to treat keratoconus, a condition where the cornea becomes thin and bulges. This technique strengthens the cornea by using a combination of riboflavin (vitamin B2) and ultraviolet (UV) light. The riboflavin is applied to the cornea, and then the UV light activates it, creating new bonds between collagen fibers, which helps stabilize the cornea's structure. The procedure is typically performed on an outpatient basis and takes about an hour. Patients may experience some discomfort, but the recovery time is generally short. Collagen Cross-Linking aims to prevent further progression of keratoconus and improve vision quality for affected individuals.