| 摘要 |
<p>The invention concerns eyeglasses suitable for blind and/or deaf-blind people comprising at least one infrared ray emitter (1), connected to a first optical system (2), to lighten eventual obstacles according to pre-established directions, at least one reflected infrared ray receiver (3), connected to a second optical system (4), an electronic providing a signal function of the distance from the obstacle, and a tactile and/or sound vibrating interface (7) providing to the blind people an indication about the distance of the obstacles.</p> |
