The Experimental Research Of The Argon Laser Followed By The Nd:YAG Laser-induced Chorioretinal Venous Anastomosis In The Retinal Vein Occlusion

Objective: This experimental research aimed to improve the efficacy of the argon laser followed by the Nd: YAG laserinduced chorioretinal venous anastomosis in the rabbit'e-yes with a model of branch vein occlusion. Methods: Immediately after branch retinal vein occlusion(BRVO) model was made by argon laser in 44 eyes of 22 no-rmal rabbits. The rabbits were divided into two groups: In the first group there were 10 rabbits in treated wi-th the argon laser followed by the Nd: YAG laser-induced chorioretinal venous anastomosis. In the second group, the rabbits were treated only with the argon laser ind-uced chorioretinal venous anastomosis. Results: An anastomosis of the first group was formed in6 rabbits within 4-6 weeks after treatment while no ana-stomosis in the other group was formed. During the 2 to 6 months' follow-up the hemorrhage in choroids,retinaand vitrous associated with laser photocoagulation was absorbed with in 8weeks and no other severe complicati-ons were found . Conclusion: On the base of the branch retinal vein occl-usion(BRVO) model, applying the argon laser followed by the Nd: YAG laser-induced can improve the efficacy of anastomosis in the rabbits'eyes. We are sure of a bri-lliant future of this technique.