Medicine: Eye Control

DENIED the use of both arms and legs, the quadriplegic is usually condemned to inertia. But his sentence to stasis may soon be lifted by a switch that enables him to control a motorized wheelchair by eye movements alone. Manufactured by Hayes International Corp., and originally intended for use by astronauts, the Sight Switch uses eyeglass-mounted sensors to measure the intensity of light reflected from the whites of the operator's eyes. The sensors then transmit their readings to a computerized box on the wheelchair.

Adjusted to the eye color of the wearer and programmed...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!