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1. An eyesight device that is wearable and hands-free for the visually impaired comprises a case having a front, rear and side walls; a sensor on each of said front wall and side walls; a microcontroller within said case coupled to said sensors; a power source for energizing said microcontroller; and audible signal generating means for generating audible, vibratory and light signals, said microcontroller being programmed to receive the outputs of said sensors and compute the distances between said case and an obstacle spaced from at least from one of said sensors on said case and energize said signal generating means when said distance is less than a predetermined threshold distance; and attaching means suitable for attaching said case to an item of clothing at waist level of a user to render the device wearable and hands-free, said sensors, said microcontroller, said power source, said audible signal generating means and said attaching means being arranged on or within said case to form a single integrated wearable unit that can be attached to and worn handsfree by a user while providing detection coverage at the front, sides above and below the waist level of the user.
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