The above instruments are used in low vision. What are they?
Answer A is mounted telescope. It is usually of the Galilean type and is a custom designed glasses that incorporate a miniature telescope, used for seeing far or near. They can help read matter set at a distance, as when playing music, and are often used for watching television. B is a CCTV (closed circuit television). Electronic devices such as CCTV provide a high level of magnification, excellent contrast and are useful for reading larger amounts of information.
B is a CCTV (closed circuit television). Electronic devices such as CCTV provide a high level of magnification, excellent contrast and are useful for reading larger amounts of information.
