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What is photophobia?

Photophobia is extreme sensitivity to light.

What causes it?

Photophobia can be caused temporarily by various eye conditions including inflammatory conditions such as DLK, keratitis, or iritis. Additionally, there is a condition specifically associated with the Intralase where photophobia occurs within the first six months of surgery but subsides (called, among other things, TLS).

Persistent photophobia may be due to ocular surface disease (dry eye syndrome) but other than that, it is much more difficult to ascribe a cause to, although we know of many cases of extreme photophobia post LASIK. In some cases there seems to be a link with interface debris.

What does it mean for the patient?

Photophobia can range from limiting to disabling. Patients who cannot tolerate light may have to wear dark glasses or goggles for all outdoors activities, and may struggle with any bright lights indoors as well.

How is it treated?

Eye protection.

Where can I learn more about photophobia?

Click here for Encyclopedia entry, which may have more articles and links.