Gretchen Reynolds says sunshine could help save our sight.

People with very poor vision may benefit from a device that recognises faces, money, and text.

Every month, Carol Brill’s vision and hearing fade further. The mother of one tells Helen O’Callaghan why her life has become about trying to cram in as much as possible with her 7-year-old daughter.

The US government is to investigate problems connected with laser eye-correcting surgery, which include blurred vision and dry eyes.