Tom Ford Blue Block Square Optical Frame pairs a 1970s-inspired oversized square acetate silhouette with blue-block lenses to increase visual comfort during long screen use. Key attributes: Brown | Avana colorata | Acetate | Blue-block protection to reduce digital eye strain | Ready-to-wear blue-block lenses | Lenses removable for prescription by an eye care professional | Oversized square full-rim frame | T logo on front and temples | Shiny acetate finish | Dimensions & fit: Lens width: 53 mm | Bridge: 16 mm | Temple length: 140 mm | Oversized fit | Composition & care: Acetate