Recommended worldwide by leading eye care specialists, the COIL Hi-Power Magnifiers have established a reputation for functionality, durability and outstanding value. At the heart of each magnifier is an aspheric lens designed to give a sharp, distortion-free image. The acrylic lens material offers excellent clarity and strength. The strong durable frames are designed for aesthetic and ergonomic appeal. COIL stand magnifiers are designed so that the lens is held at precisely the right working distance to give a clear and steady image.