Abstract
1) The first case is a 40 years old male. The case was suffering from a fistula of the eye-lid originated from left frontal sinusitis. The case was also suffering from pyocele of frontal sinus accompanied by ectropion.
The second case is a 47 years old female. This case was suffering from orbital phlegmone due to left frontal sinusitis. In both of the above cases, no subjective nasal symptoms were recognized. In this paper, the author stressed the necessity of the cooperation between ophthalmologist and oto-rhino-laryngologist in the treatment of such cases as above.