With the move towards more MIGS procedures (MIGS = minimally invasive glaucoma surgery), the ab externo approach to opening Schlemm’s canal is becoming less common. However, it can be a very effective procedure to lower the IOP for patients with glaucoma. It does require a trabeculotome instrument, however the other needed tools are already on your surgical tray. The surgery in this video has an additional benefit over the ab interno canaloplasty and trabeculotomy that we previously featured: this deep sclerectomy is under a flap that is sutured and can provide additional aqueous outflow similar to a traditional trabeculectomy. Though I am not a glaucoma specialist, I love to learn about all types of ocular surgical techniques.
click to learn about deep sclerectomy visco-trabeculotomy:
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