Causes of herpes simplex eye infections

Herpes simplex eye infectionsusually occur when a previous infection with the virus reactivates and spreads to the eye.

Nearly everyone isexposed to theherpes simplex virus during childhood. Most people won't notice this because there are often no symptoms. But afterwards the virus will remain inactive in the body.

In some people, the viruscan bereactivated later on. This can happen randomly or may be triggered by:

  • an illness or a high temperature (fever) above 38C (100.4F)
  • exposure to strong sunlight or cold wind
  • an eye injury
  • stress
  • periods
  • having a weakened immune system for example, if you have chemotherapy or HIV
Content supplied by the NHS Website

Medically Reviewed by a doctor on 21 Dec 2018