Photokeratitis

Uncommon card · No. 85939

Photokeratitis is a painful eye condition that typically results from short term, excessive ultraviolet (UV) exposure. Other symptoms include redness, blurry vision, and sensitivity to light. Onset is typically 6 to 12 hrs after exposure, with symptoms lasting for up to 3 days. It is similar to a sunburn of the eye. The UV source can be either natural, such as direct or reflected sunlight or artificial like tanning beds or the electric arc during welding. Risk factors include skiing, mountaineering, and beach activities. It is specifically due to UV B and UV C wavelengths. It results in small areas of damage to the surface of the eye. Diagnosis maybe supported by the events around the onset and slit-lamp examination. Prevention is by wearing eye protection, such as welding goggles, sunglasses, or snow goggles. Other measures including avoiding direct sunlight and wearing a hat. While no specific treatment is required, lubricating eye drops, simple pain medication, and medications to relax...

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