Mission to Mars may require astronauts to wear swimming goggles (Telegraph)

Swimming goggles could be used to protect astronauts’ eyes on long missions to Mars, a new study suggests.

Experiments by Nasa scientists found goggles protected vision by boosting the pressure of fluid inside the eye.

Astronauts on long missions at the International Space Station have been found to experience changes to their eyes that last for years.

Known medically as intraocular pressure (IOP), the phenomenon can prompt a host of symptoms, including “cotton wool spots” – fluffy white spots on the retina – and swelling of the optic nerve. Read more