Because the cornea is as smooth and clear as glass but is strong and durable, it helps the eye in two ways: It helps to shield the rest of the eye from germs, dust, and other harmful matter. The ...

The cornea, the transparent, dome-shaped outer layer of the eye, plays several important roles in eye health. It covers the iris (the colored part of the eye) and the pupil (the black dot in the ...

Damage to the cornea affects millions of people worldwide. Empa researchers are working on a transparent, biocompatible implant from the 3D printer.

If you can see by simply slipping on a pair of glasses, or if you don’t need glasses or contact lenses at all, the gift of sight is something we can easily take for granted. For millions of people ...

Corneas made from pig collagen have restored sight for people who were previously legally blind or visually impaired. Two years after the operations, none of the recipients have reported serious ...