Tom Ford Blue Block Square Optical is a square optical frame designed with ready-to-wear blue-block lenses to reduce digital glare. The minimalist silhouette suits everyday wear and can be fitted with prescription lenses by an eye-care professional. Key attributes: Black | Blue-block lens protection | Ready-to-wear blue-block lenses | Removable lenses for prescription fitting | Square frame | Full-rim | Dimensions & fit: Lens width: 56 mm | Bridge width: 16 mm | Temple length: 140 mm | Size: M