TUSA CEOS Prescription Mask (Minus Lenses)TUSA CEOS Prescription Mask (Minus Lenses) The TUSA CEOS Prescription Mask offers divers with myopia the clarity they need underwater. Designed to seamlessly accept minus corrective lenses, this mask combines optical accuracy with comfort, sleek styling, and dependable performance. Key Features: Supports minus prescription lenses for nearsighted vision Low internal volume for easy clearing and reduced drag Single lens design gives a wide, unobstructed