Eye injuries that damage the cornea are usually irreversible and cause blindness. But a new clinical trial has repaired this damage in patients thanks to a transplant of stem cells from their ...

When a person's cornea is damaged, the injury can deplete the limbal epithelial cells. As a result, the surface of the eye develops permanent damage -- a condition called limbal stem cell deficiency.

Cornea Tough, transparent covering over the front part of the eye. Convex in shape. Refracts light as it enters the eye (by a fixed amount). Iris Coloured part of the eye that contains muscles.

the lens being too thick and curved - so that light is focused in ... laser surgery to change the shape of the cornea and a replacement lens in the eye. Contact lenses work by being in ‘contact ...