Tom Ford Blue Block Navigator Optical frames combine a slim navigator silhouette with blue-light filtering lenses. Designed for everyday wear, they pair refined detailing with prescription-ready convenience. Key attributes: Black | Acetate | Blue light filter | Full-rim frame | Includes protective case and cleaning cloth | Prescription-ready lenses | Navigator/pilot shape | Shiny acetate finish | Metal T-logo detail | Dimensions & fit: Lens width (mm): 57 | Distance between lenses (mm): 13 | Temple size (mm): 140 | International fit | Composition & care: Acetate | Wipe lenses and frame with a microfibre cloth; store in the supplied case when not in use.