Tom Ford Blue Block Square Opticals pair a thin square acetate frame with blue‑block lenses for daily wear and screen protection. Designed for prescription use, they combine classic shape with a polished finish. Key attributes: Black | Blue | Acetate | Blue light filtering lenses | Prescription lens compatible | Full-rim frame | Square silhouette | Shiny acetate finish | Metal T logo on temples | Full-rim construction | Dimensions & fit: Lens width: 53 mm | Bridge: 17 mm | Temple length: 140 mm | Composition & care: Acetate