Interstitial Keratitis Due to Focal Sepsis

History.?Anglo-Indian, male, aged 29 years, telegraphist. According to the patient, in the winter of 1936-37, he suffered from an attack of epiphora, photophobia and dimness of vision in the left eye which responded to treatment in about two months. He states that he had no further trouble until October 1939 when one eye, and soon after the other, became inflamed, causing him an intense epiphora and photophobia. Atropine and hot bathing gave little relief and for eight months he was only able to work occasionally. His general health had otherwise been good; he had malaria two years ago for which he had been given a full course of quinine and plasmochin. No history of allergic disease in either the patient or his family could be elicited. Examination.?The writer (E. J. S.) first saw him in May 1910 and he presented the following picture:? Right vision 3/60. Left vision. Counts fingers at 2 feet. Photophobia was so great that he could not tolerate the light of an indoor room and kept the eyes covered with a bandage. Epiphora was intense and