AIM:To discuss the effect of biochemical indexes on condition of middle aged and senior people with cataract.METHODS: A total of 132 patients with cataract fromJan. 2014 to Jan. 2016 in our hospital were collected as the observation group. And 156 patients besides cataract were chosen as the control group. All entrants were divided into group A( 40- 59y),group B( 60- 79y) and group C( ≥80y) according to the age. The biochemical indexes of all entrants were checked, including ALB,GLB,TP,GLU,BUN,UA,Cr,ALT,LDH...