What is photophobia?

What is photophobia?

Photophobia, or sensitivity to light, is the intolerance or discomfort that some people feel to light. Normally, this symptom manifests itself when the light is excessive, bright or intense but, in more extreme cases, people can suffer episodes of photophobia in any type of light. If you want to know more about this topic, keep reading!

Causes of photophobia
Photophobia is not in itself an eye disease, but a symptom that can lead to other vision problems. Next, we share the most common causes in which a greater sensitivity to light can manifest itself, whether of natural or external origin:

As natural causes:
  • Large pupils (midirasis).
  • Light-colored eyes for less melanin.
  • Migraines
  • As external causes:
  • Inflammations inside the eye (Iritis or uveitis).
  • Burns
  • Trauma to the cornea (corneal abrasions or ulcers).
  • Misuse or fit of the lenses.
  • Infections
  • Diseases such as ocular glaucoma.
  • Meningitis.
  • Computer visual syndrome.
  • Recovery after refractive eye surgery: myopia, hyperopia and / or astigmatism operations.

Although it is true that people with clear eyes tend to be more sensitive to light, since their iris has less pigmentation, thus allowing a greater amount of light to pass through.

How to avoid or prevent photophobia?
As long as you suffer from episodes occasionally, and if you don't suffer from any other condition, you can follow these tips to prevent light from causing discomfort to your eyes. 


  • Do not expose your eyes directly to sunlight.
  • Use approved sunglasses throughout the year; preferably polarized.
  • Use natural light whenever possible indoors.
  • Dim the intensity of the brightest lights.
  • Adjust the brightness and contrast of your electronic devices well.
  • Wear light-filtering or tinted lenses indoors.
  • Wear a hat or cap when outdoors.

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