Contact lenses can repair themselves with just one hour of UV light exposure

Contact lenses are a great vision correction option for many, but if one of them gets damaged, there is little to do other than throw it away.

A team reporting in ACS Applied Polymer Materials has a solution: special polymer hydrogels and UV light.

Scratches on lenses made from their new material were easily repaired with an hour of UV light exposure.

This demonstration is a first step toward the next generation of contact lenses. ...