Extracapsular cataract extraction with posterior chamber lens implantation and trabeculectomy was performed on 15 cataractous eyes in 15 patients: 5 were affected with chronic closed angle glaucoma and 10 with primary open angle glaucoma. This procedure offers the intraocular pressure control expected after trabeculectomy and, at the same time, gives the patients all visual benefits that cataract extraction with intraocular lens implantation warrants, without the introduction of new complications.