You can watch a recent modification of this video under the name of (Modified Trabeculectomy with Avastin and Mitomycin- C MMC in Glaucoma Surgery)/nMinor improvement in trabeculectomy operation may make a major difference in success rate. These changes mainly in mmc application with Schirmmer papers which is easily applicable and absorb the exact amount of mmc desired in addition of concentration so mmc application will be precisely titrated. Radial punch trabeculectomy hoping to open Schlemm's canal thus internal drainage may work with the external one. Using vicryl absorbable sutures in combination with the silk sutures in flap closure will result in gradual and spontaneous filtration and it will prevent hypotony and lost anterior chamber especially in early post operative period. using the corneal tract done by traction suture in tight closure of corne-conjunctival closure