ROBO1 and open-angle glaucoma: The high support of colocalization evidence was observed between ROBO1 (OR = 1.38, p = 1.48 × 10−4, PPH4 = 0.865), FOXO3 (OR = 0.35, p = 4.34 × 10−3, PPH4 = 0.796), ITIH3 (OR = 0.89, p = 2.76 × 10−4, PPH4 = 0.767) and POAG, which were identified as tier 1.