To compare the safety and effectiveness in between oculusgen (ologen) collagen matrix implantation and Mitomycin-C(MMC) for glaucoma surgery. The surgery is performed by the gold standard of trabeculectomy. Mitomycin-C(MMC) is applied for those who not collagen matrix implanted.
To compare the safety and effectiveness of oculusgen (ologen) collagen matrix implantation and Mitomycin-C(MMC) in glaucoma surgery.