Using brain implants, scientists have triggered the perception of shapes in the visual field of monkeys. Sounds spooky, but the technology could enable artificial eyesight in people with severe visual impairments.
Scientists in the UK think they may have found a cheap, low-tech way to help fight age-related loss of vision. In a small clinical trial, people over 40 who were told to stare into a deep red light for three minutes a day had noticeable improvements to their sight. They…