滤泡性结膜炎是中青年常见的感染性外眼疾病之一。以病程长、分泌物多、视物模糊为其主要症状。治疗主要是应用抗生素和抗病毒等药物，少数病人自觉症状有所缓解，但大部分病人在门诊长期治疗效果不理想。我科于1986年至1993年用液氮冷冻治疗826例（1630只眼），效果满意。现介 Follicular conjunctivitis is one of the common infectious diseases of young and middle-aged eyes. Long course of disease, secretions and more, blurred vision as its main symptoms. Treatment is mainly the application of antibiotics and anti-virus drugs, a small number of patients with symptoms have eased, but most patients in the out-patient long-term treatment is not satisfactory. Our department from 1986 to 1993 with liquid nitrogen cryotherapy 826 cases (1630 eyes), with satisfactory results. Presently