方法：将120例167眼RVO患者随机分为两组，对照组60例82眼口服羟苯磺酸钙胶囊，治疗组60例85眼口服羟苯磺酸钙胶囊和益脉康片，观察3个疗程，对治疗前后的视力、疗效进行比较。

结果：治疗组60例85眼中，显效15例23眼，有效42例57眼，无效3例5眼，总有效率为94.1%； 对照组60例82眼中，显效8例12眼，有效38例49眼，无效14例21眼，有效率为74.4%，两组组间不良反应发生率较低。

结论：羟苯磺酸钙胶囊联合益脉康片安全有效，治疗RVO疗效显著。

METHODS:A total of 120 patients(167 eyes)with RVO were divided into 2 groups at random. The control group of 60 cases(82 eyes)were given calcium dobesilate capsule, and the treatment group of 60 cases(85 eyes)received calcium dobesilate capsule and yimaikang tablet. Changes of visual acuity and clinical effects after 3 courses of treatment were compared and analyzed for all patients.

RESULTS: Markedly effective 15 cases(23 eyes), effective 42 cases(57 eyes)and invalid 3 cases(5 eyes)in the 60 cases(85 eyes)of the treatment group, the total effective rate was 94.1%. Eighty-two eyes of 60 cases in the control group, markedly effective in 8 cases(12 eyes), effective 38 cases(49 eyes), ineffective 14 cases(21 eyes), The total effective rate was 74.4% in the control group. There were significant differences between the 2 groups of curative effect, and low incidence rate of adverse reaction.

CONCLUSION: Calcium dobesilate capsules and yimaikang tablet is effective and safe in the treatment of RVO.