For diabetic retinopathy, there were 14 near-unique genes with high support evidence of colocalization, including ADCY5 (cg27182923), CHEK1 (cg07110182), IGF2BP1 (cg19057899, cg14634687, cg09029085), INS (cg23390871, cg09864961, cg00613255), ITGB1 (cg10381520), SUOX (cg22580629, cg06495347), TP53INP1 (cg23172400), and VARS2 (cg09424348, cg12433575). Here, ITGB1 is linked to diabetic retinopathy.