55 Patients were treated by liquid nitrogen cryosurgery of the lids and conjunctiva diseases. 28 patients With eyelids angioma

5patients conjunctiva angioma

4 patients with basal cell carcinoma

2 patients with squamous cell carcinoma

2patients with meibomian carcinoma

2 patients precancerous melanosis; and 6 patients with spring catarrh. Forty-seven patients were followed-up

and the average duration was 28 months(range 18~48 months)

All cases obtained extremely good results with cryosurgery and without serious complications.