WEB Eyewear WE5407 Optical Frame is a round, full-rim plastic frame designed for everyday prescription use. It accommodates progressive lenses and suits a medium-size fit for reliable daily wear. Key attributes: Black | Plastic | Progressive-lens compatible | Regular hinge | Adjustable for prescription lenses | Round shape | Full rim | Dimensions & fit: Lens width: 51 mm | Bridge width: 19 mm | Temple length: 145 mm | Size: 51-19-145 (Medium)