WFS1 and cataract: Additionally, a positive correlation was observed between insulin dose (IU/kg/day) and cataract score in saline-treated Wfs1 KO rats (R2 = 0.396, p < 0.01, Supplementary Figure S1) and in liraglutide-treated Wfs1 KO rats (R2 = 0.271, p < 0.05, Supplementary Figure S1).