Bioptics is a name for a pair of vision-enhancement lenses, commonly known as a bioptic in the singular and sometimes more technically called a bioptic telescope. They are used to enhance distant vision for patients with severely damaged eyesight, notably those with albinism or macular degeneration, and magnify between two and six times. They may be a mix of head-mounted eyeglasses (referred to as the “carrier”) and binoculars, or they can be constructed to fit over existing spectacles. Some people use monoculars with tiny telescopes installed on, in, or behind their normal lenses, allowing them to gaze through either the regular (carrier lens) or telescopic lens. Newer versions use smaller, lighter miniaturized telescopes that magnify up to six times and may be incorporated inside the spectacle lens to enhance aesthetics. It has been shown that tiny telescopic lenses may be used to slow down a nystagmus. In certain areas, people with limited eyesight who use Bioptics may be allowed to drive vehicles.