Tom Ford Blue Light Bold Rectangle Optical Eyeglasses pair a bold rectangular acetate frame with blue-light blocking lenses. They are designed for prolonged screen use and can be fitted with custom prescription lenses. Key attributes: Brown | Acetate | Blue light blocking lenses | Screen-glare reduction | Progressive lens compatible | Prescription compatible (RX-able) | Demo blue-block lenses included | Bold rectangular shape | Full rim | Single bridge | Dimensions & fit: Lens size (mm): 53 | Bridge (mm): 17 | Temple length (mm): 135 | Frame size: Large | Large fit | Composition & care: Acetate | Wipe lenses with a microfiber cloth; avoid abrasive cleaners and household chemicals; store in a protective case when not in use.