Then the remaining 45 full-text articles were assessed for eligibility, although five articles [10, 30–33] had been analyzed in a previous meta-analysis [34], we excluded them because three articles [10, 30, 31] did not achieve HWE in the control group, and two articles [32, 33] reported the relationship between LOXL1 polymorphisms and primary open-angle glaucoma. Here, LOXL1 is linked to glaucoma.