Conjunctival biopsy as an aid in the evaluation of the patient with suspected sarcoidosis.

Conjunctival biopsy is an underused but simple technique in the evaluation of the patient with sarcoidosis and occasionally other systemic diseases. In 55% of patients with biopsy-proven sarcoidosis from other sites, a blind conjunctival biopsy was positive. Bilateral conjunctival biopsies and the examination of multiple sections of each biopsy were essential to obtain this high of a yield. There was no relationship between an anterior uveitis and a positive conjunctival biopsy.