CYP4V2 (Cytochrome P450 Family 4 Subfamily V Member 2) is an enzyme involved in the metabolism of fatty acids and lipids, including the production of fatty acid epoxides that play a role in regulating blood pressure and controlling inflammation. Variants of CYP4V2 are associated with Bietti’s crystalline dystrophy, a rare retinal disorder that can lead to progressive vision loss, highlighting its significance in both lipid metabolism and eye health.