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Eye care

Photokeratitis: UV "Sunburn" of the Eye

General information about UV-related eye irritation and how sunglasses help reduce exposure.

Last updated November 3, 2026 · General information only, not medical advice. Please see a licensed eye-care professional for your prescription and eye health.

Woman wearing glasses

Photokeratitis is a painful condition associated with intense ultraviolet exposure — for example from snow, water, high altitude or welding arcs without protection. It is sometimes described as a sunburn of the eye's surface.

Reducing UV exposure

  • Wear sunglasses labelled 100% UVA/UVB or UV400.
  • Choose wraparound or larger styles in snow and on water.
  • Use proper protective equipment for welding and tanning beds.

This article is general education, not medical advice. For any change in your vision or eye comfort, see a licensed optometrist or ophthalmologist.

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