Glaucoma surgery has come a long way since the days of Dr Louis de Wecker, described as the father of glaucoma filtration surgery in 1869. Sugar, Cairns and Watson paved the way to the modern day trabeculectomy in the 1970s and Molteno introduced the first glaucoma drainage implant in 1969. There was little further interest in glaucoma surgery until the introduction of minimally invasive glaucoma surgical (MIGS) devices in the last decade. MIGS are used to lower intraocular pressure (IOP), using an outflow mechanism with little scleral dissection and minimal conjunctival manipulation (American Glaucoma Society).
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