patients with open angle glaucoma and excavation of 0.4 - 0.8
60 eyes of 60 patients (30 patients for trabeculectomy, 30 patients for Canaloplasty) The ratio of female / male is not involved.
Eye pressure under local therapy: 20mmHg and above (corrected with pachymetry table).
Local drug therapy: at least 2 eye pressure lowering ingredients or absolute intolerance to preservatives or eye drops.
general anesthesia possible.
The operation must be signed by the surgeon as a state-of-the-art performed without complication to be evaluated. If the operation does not meet this criterion, the patient is excluded from the study.
Phenprocoumon therapy.
operation is not done state-of-the-art.
after the surgery: additional eye pressure lowering surgery, cataract surgery, keratoplasty, laser surgery in the anterior eye segment (except suture lysis after trabeculectomy)
Uveitis, or possible inflammation of the eye
Previous eye pressure lowering operations or laser interventions
