Glaucoma valve tube implantation is mainly used for the treatment of neovascular glaucoma or previously had a trabeculectomy, but after the surgery the intraocular pressure is out of control. The cost of this surgery usually costs around$7,000-$8,000, of which the main one is the glaucoma drainage valve, which is more expensive, and this material usually costs around$5,000, making the surgery not too expensive. This type of surgery will control intraocular pressure better and last longer than conventional glaucoma surgery methods, even if localized scarring occurs. If you have neovascular glaucoma, have had glaucoma surgery in the past, and are currently experiencing a re-increase in IOP, you may consider this procedure, but be sure to go to a regular hospital for treatment.