Among the 61 excluded pieces, 22 lacked pertinent outcome measures (including IOP, Incidence of postoperative hyphema, effective rate, postoperative antiglaucoma medication requirements, BCVA and aqueous humor VEGF levels), 13 did not adhere to randomized controlled trial protocols, 8 were retrospective studies and 4 were unable to furnish valid data. This evidence concerns the gene VEGFA and Hyphema.