Herpes simplex eye infections are eye infections caused by the herpes simplex virus. Herpes simplex is the virus that can also cause cold sores and genital herpes.

Herpes simplex eye infections are quite common - they affect around 1-2 people in every 1000 in the UK. The infection usually affects middle-aged people.

A herpes simplex eye infection is not usually serious. However, it can permanently affect your eyesight if you do not have treatment quickly.