目的 :观察和评价弥可保对视神经挫伤的疗效。方法 :将 2 0例视神经挫伤病人随机分为二组 ,分别用弥可保注射液和尼可林注射液治疗一个月 ,比较两组间视力改善及视神经萎缩发生率。结果 :弥可保治疗组有效率为 70 % ,尼可林对照组有效率为 4 0 % ;视神经萎缩发生率分别为 30 %和 6 0 % ,两组差别具有显著性意义 (P <0 0 5 )。结论 :弥可保治疗视神经挫伤安全有效 ,是一种效果肯定的治疗视神经病变的药物 Objective: To observe and evaluate the effect of methycobal on optic nerve contusion. Methods: Twenty patients with optic nerve contusion were randomly divided into two groups, one month after treatment with miconazole injection and Nicorandil respectively, and the improvement of visual acuity and optic atrophy between the two groups were compared. Results: The effective rate of the treatment group was 70%, the control group was 40%, the incidence of optic atrophy was 30% and 60%, respectively, with significant difference between the two groups (P <0 0 5). Conclusion: Miconus treatment of optic nerve contusion is safe and effective, is a sure effect in the treatment of optic neuropathy