Punctate keratitis is an eye disease that affects the cornea. It causes mild burning and irritation, foreign body sensation, increased tear production and light sensitivity. It may also cause mild vision loss in some cases. The condition is characterised by active and latent phases. The active, symptomatic phase typically last 1–2 weeks, followed by an asymptomatic phase for 4–6 weeks. There is currently no treatment for the condition, although eye drops are sometimes used for symptom relief. The condition usually resolves of its own accord after 2–4 years.
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