OBJECTIVE To investigate the effects of Sanxue Mingmu Tablets(SMT) of activating blood,relieving meridians,draining water and brightening eyes on the expression of iNOS of rabbits' retinal vein occlusion.METHODS Eighteen healthy colored rabbits were divided into normal group A,model group B and SMT group C,each group containing 6 rabbits.The rabbits were killed respectively 14 days later to investigate the expression of iNOS in the retinal tissue.RESULTS Comparing average light density and average ashy value of the three groups,there was obvious difference(P< 0.01).The lower the average light ...