Dhananjay Dhanorka putting on a pair of red goggles on his daughter, Arya. The goggles act as a glare reducer. Photos: The Star/Samuel Ong
The visually impaired use a white cane to assist in mobility and navigation. But now, there is the smart cane device, an electronic travel aid, that they can look forward to. This device is fitted onto the top fold of the white cane and acts as an extension to the cane.
The device uses ultrasonic waves to detect the presence of obstacles. It has an ultrasonic sensor which can transmit and receive ultrasonic waves. The sound waves are not audible to the human ear.
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