The authors suggest that the argon laser photocoagulation is effective in maintaining or improving the vision and preventing the vitreous hemorrhage for the patient with retinal branch vein occlusion 作者认为氩气雷射光凝固疗法,对于视网膜静脉分枝阻塞症患者视力之保持或增进,以及预防玻璃体出血之发生,是相当有效的,在本报告中,无一例发生治疗后的合并症。