Vesicular keratoconjunctivitis

Pharyctenular kerato conjunctivitis is a late-onset allergic disease caused by microbial proteins. It mainly occurs in spring and summer. It is characterized by repeated infiltration of nodule-like cells under the epithelium of the conjunctiva and limbal cornea, ulcers formed after the central billet of the lesion falls off, and local congestion around the nodules. The disease can heal on its own, but relapses easily. Especially in patients with both eyes, the lesions alternate repeatedly and can last for months and years. Generally, the prognosis is good. When the lesion is located in the center of the cornea, it can cause different degrees of visual impairment.

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