Light can make it sting and burn. The abrasion affects your cornea, which is the clear layer that covers the iris — the colored part of your eye. It also shields the pupil, which is the black ...

A bizarre cosmetic surgery that could change the colour of your eye permanently is becoming a viral trend in the US, all ...

In astigmatism, the cornea (the clear dome that covers your eye) or the lens (which focuses light rays on the light-sensitive ...