Ray-Ban 6494 Vista Optical Frame pairs a slim metal browline with pillow-shaped lenses for everyday prescription wear and versatile styling. Key attributes: Black | Metal | Scratch-resistant coating | UV protection | Adjustable nose pads | Prescription-ready (demo lenses) | Includes case and cleaning cloth | Pillow-shaped lenses | Browline detail | Slim metal frame | Full-rim construction | Dimensions & fit: Lens width: 54 mm | Lens width: 56 mm | Bridge width: 18 mm | Temple length: 145 mm | Lens height: 41.1 mm (size 54) | Lens height: 42.0 mm (size 56) | Regular fit | Composition & care: Metal | Clean lenses with a microfiber cloth. Wash frames with mild soap and water, then dry with a soft cloth. Store in the included case and avoid excessive heat or harsh chemicals.