Tom Ford Blue Block Square Opticals combine a feminine square silhouette with blue‑block lenses for everyday wear and screen protection. Key attributes: Dark Havana | Acetate | Blue-block lenses | Prescription-ready | Full rim frame | Square shape | Shiny acetate finish | Metal T logo on temples | Dimensions & fit: Lens width: 53 mm | Bridge width: 17 mm | Temple length: 140 mm | Composition & care: Acetate | Wipe lenses with a microfiber cloth; store in protective case; avoid exposure to heat and harsh chemicals.