A Statistical investigation of atresia of the naso-lacrimal ducts of children

ABSTRACT

A statistical investigation was carried out on the cases of atresis of the paso-lacrimal ducts of children ever the past three years. 1. 17 cases of the disease were picked up out on 157 patients(10.8%). 2. This disease was observed in almost equal frequency in either eye and appeared in almost equal frequency in male and female children. 3. Most eyes of atresis were thought to be inherent. In the other cases it was observed after conjunctivitis.