Wells Syndrome as a Rare Cause of Unilateral Ptosis.

We present a case of a woman with a swollen upper eyelid in ptosis, conjunctival nodules, and chemosis present for a couple of weeks. She did not respond to therapy for hordeolum or allergy. A biopsy followed by histopathological examination showed a large infiltration of eosinophilic granulocytes and flame figures, so the diagnosis of Wells syndrome was made. Oral methylprednisolone in high dose was necessary, and tapering was slow because of frequent bouts of relapse. After 3 months, the swelling and hard feeling of the eyelid disappeared, but a slight ptosis remained. Eyelid swelling and eosinophilia recurred 18 months after resolution of the first episode.