Speaking Glasses / glasses for the blind

This is designed for the independence, safety, and free life of the blinds.
The blinds explore the world by listening through ‘Speaking Glasses’ not by looking.
Tiny cameras can detect what normal eyes should see. Camera views are transferred to voice and sent to ears.
There are ultrasonic sensors which perceive the objects on all sides.
Alarm rings when there is sudden attack from surroundings.
Sides of glasses have two touch controllers for zoom in/out, volume up/down by dragging back and forth.
Also, It has clicking on/off button.
Zoom function searches for specific information on Internet.
The blind can perceive lively image.