Tom Ford Blue Block Navigator Opticals merge a slim navigator silhouette with ready-to-wear blue-block lenses for everyday screen and outdoor use. The frame balances refined detailing with practical prescription-ready construction. Key attributes: Black | Acetate | Blue-blocking lenses | Full-rim frame | Removable lenses for prescription fitting | Prescription-ready | Navigator (aviator) shape | Ultra-slim acetate frame | Shiny metal T logo on front | Dimensions & fit: Lens width: 57 mm | Bridge: 13 mm | Temple length: 140 mm | Composition & care: Acetate | Wipe lenses with a microfiber cloth; use lens cleaner for stubborn marks; store in protective case.