Activating neurons by ultrasound is a step towards a non-invasive retinal prosthesis that works without invasive eye surgeries.

Researchers have developed a haptic feedback sleeve and goggle system that allows blind people to partially "see" with the skin on their arm

Researchers have developed a digital-age speaker system that permits the blind to read Braille using ultrasound waves in mid-air.

The life of the visually impaired has been improved greatly with the use of the WeWalk smart cane.

Canada kid was born with an impaired vision due to a rare genetic disorder called retinitis pigmentosa, which causes mutations in the RPE65