Tom Ford Blue Block Rectangular Opticals combine a bold acetate frame with built-in blue‑block lenses to improve visual comfort during extended screen use. Key attributes: Dark Havana | Acetate | Blue light filtering lenses | Enhances visual comfort for digital device use | Ready-to-wear demo lenses (removable for prescription) | Can be fitted with prescription lenses | Rectangular shape | Chunky temples and bridge | Shiny acetate finish | T logo on front and temples | Dimensions & fit: Lens width: 54 mm | Bridge: 19 mm | Temple length: 140 mm | Composition & care: Acetate