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Minimally Invasive Glaucoma Surgery: Latest Developments and Future Challenges
Journal article   Open access   Peer reviewed

Minimally Invasive Glaucoma Surgery: Latest Developments and Future Challenges

Poemen P. M. Chan, Mark D. Larson, Jaime E. Dickerson, Karl Mercieca, Victor Teck Chang Koh, Ridia Lim, Enne Hiu Ying Leung, Thomas W. Samuelson, Christine L. Larsen, Alison Harvey, …
Asia-Pacific journal of ophthalmology (Philadelphia, Pa.), Vol.12(6), pp.537-564
11/01/2023
DOI: 10.1097/APO.0000000000000646
PMID: 38079242
url
https://doi.org/10.1097/APO.0000000000000646View
Published (Version of record) Open Access

Abstract

The development of minimally invasive glaucoma surgeries (MIGSs) was intended to provide safe and modestly efficacious modalities for early intervention of mild-to-moderate glaucoma, with minimal trauma and rapid recovery. They were mainly ab interno procedures that reduce intraocular pressure by facilitating the aqueous outflow by bypassing the trabecular meshwork resistance, reinforcing the uveoscleral flow via the supraciliary space, and reducing aqueous production by the ciliary body. While the cumulating evidence helps shape the role of the available MIGS, the exponential new development and advancement in this field has expanded the territory of MIGS. Apart from developing subconjunctival MIGS filtration devices (Xen gel stent and PRESERFLO MicroShunt), there is a tendency to revisit the "traditional" MIGS for alternative use and to modify the procedures with consideration of the fundamental aqueous outflow physiology. Combined MIGS has also been suggested, based on the theory that their different mechanisms may provide additive or synergistic effects. The advancement of laser procedures is also promising and could supplement unmet needs along the glaucoma treatment algorithm. This review examines the broad array of MIGS, updates the recent findings, discusses their potential alternative applications, and explores future challenges.
Life Sciences & Biomedicine Ophthalmology Science & Technology

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