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The classical filtration surgery with trabeculectomy or drainage of chamber fluid with episcleral implants is the most effective method for permanent reduction of intraocular pressure to lower and normal levels. Even though both operative procedures are well-established the high efficiency of the method causes potentially dangerous intraoperative as well as interoperative complications with a frequency which cannot be ignored. In the past this led to a search for low complication alternatives with non-penetrating glaucoma surgery (NPGS) and the search is still continuing. Trabecular meshwork surgery in particular with continuous development of new operation techniques steered the focus to a complication-poor and minimally invasive, gonioscopic glaucoma surgery.
Universitäts-Augenklinik, Killianstr. 5, 79106, Freiburg, Deutschland, jens.jordan@uniklinik-freiburg.de.
Full article12.8.3 Non-perforating (Part of: 12 Surgical treatment > 12.8 Filtering surgery)
12.9 Trabeculotomy, goniotomy (Part of: 12 Surgical treatment)