(a)
(b)

Figure 1: Diabetic rats present decreasing ERG responses after DR rat model established. (a) Dark-adapted OPs2 wave; (b) b-wave in dark-adaptation 3.0 response. Values are presented as mean ± SD, n=10, p < 0.01: untreated diabetic model group, CaD group, FSM high-dose, FSM medium-dose, and FSM low-dose group vs normal group.