The clinical and aetiological findings are presented on 343 patients with clinical adenoviral conjunctivitis treated between July 1979 and July 1980 at 3 eye clinics in Sapporo. The age of the patients ranged from 12 days to 79 years, and the monthly incidence of the disease from 9 to 83, with clustering in the summer season. The aetiological diagnosis was established in 196 (57%) of 343 patien...