Abstract
1) 208 patients who had external ocular bacterial infections (conjunctivitis, holdeolum, dacryocystitis) were observed on organismus, sensitivitis test and therapeutic effect from 1972 to 1974 on rural area in Nagano prefecture.
2) The most common organismus was Staphylococcus epidermidis (23.1%) Haemophilus influenzae, Staphylococcus aureus, α-Streptococcus and Diplococcus pheumoniae were found in more than 10%. Pseudonomas aeruginosa and Klebsilla were not found. This tendency was seen in the city previously.
3) Cases of 2 or more organismus isolated found in 37%, this percentage was higher than previous paper.
4) The results of sensitivity test showed the most effective antibiotics were KM and GM.The most effective instillation was KM.
