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To report endoscopic findings in the anterior chamber angle during injection o f viscoelastic material in viscocanalostomy (VCS). Observational case reports. T wo cases of primary openangle glaucoma were treated with VCS and cataract surger y. Immediately before and during injection of viscoelastic material into Schlemm ’s canal, the anterior chamber angle was observed using an ophthalmic endoscope . In both cases, we observed viscoelastic material in Schlemm’s canal and leaka ge of viscoelastic material and blood from Schlemm’s canal into the anterior ch amber away from the injection site of the viscoelastic material. In one case, in docyanine green-stained viscoelastic material was not in Schlemm’s canal the d ay after surgery. In VCS, Schlemm’s canal was filled and was disrupted after vi scoelastic material injection. Disruption of the inner wall of Schlemm’s canal andjuxtacanalicular connective tissues may contribute to the intraocular pressur e reduction associated with VCS.
To report endoscopic findings in the anterior chamber angle during injection of viscoelastic material in viscocanalostomy (VCS). Observational case reports. T wo cases of primary openangle glaucoma were treated with VCS and cataract surger y. Immediately before and during injection of viscoelastic material into Schlemm ’s canal, the anterior chamber angle was observed using an ophthalmic endoscope. In both cases, we observed viscoelastic material in Schlemm’s canal and leaka ge of viscoelastic material and blood from Schlemm’s canal into the anterior ch amber away from the injection site of the viscoelastic In one case, in dcaseine green-stained viscoelastic material was not in Schlemm’s canal the d ay after surgery. In VCS, Schlemm’s canal was filled and was disrupted after vi scoelastic material injection. Disruption of the inner wall of Schlemm’s canal and juxtacanalicular connective may contribute to the intraocular pressur e reduction associated wit h VCS.