Subconjunctival Microinvasive Glaucoma Surgeries

An Update on the Xen Gel Stent and the PreserFlo Microshunt

Anna T. Do; Hardik Parikh; Joseph F. Panarelli

Disclosures

Curr Opin Ophthalmol. 2020;31(2):132-138. 

In This Article

Conclusion

Both the Xen gel stent and PreserFlo MicroShunt have demonstrated promise for a wide application for glaucoma patients with a range of glaucoma severity and medication burden. These devices provide patients with IOP lowering effects similar to traditional incisional surgery such as trabeculectomy or tube shunt surgery, but with fewer risks than these more invasive alternatives. These devices have demonstrated impressive efficacy so far and decrease the risk of both early and late hypotony because of their valve-less intrinsic flow-limiting design. Still, there need to be additional randomized, prospective studies comparing these gel stents and microshunts both to each other and to other traditional glaucoma surgeries.

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