Tom Ford Blue Block Rectangular Opticals combine a classic rectangular acetate frame with Blue Block lenses to reduce eye strain from digital screens. They are designed for everyday wear and can accept prescription lenses. Key attributes: Black | Shiny black | Blue filter | Acetate | Blue light filtering | Prescription-ready lenses | Full-rim construction | Rectangular full-rim frame | Shiny finish | Metal "T" logo on temple | Dimensions & fit: Lens width: 52 mm | Bridge width: 22 mm | Temple length: 145 mm | Composition & care: Acetate