Review Article
Safety and Efficacy of Microinvasive Glaucoma Surgery
Table 1
Physical properties of MIGS devices and approved indications for use.
| | Instrument | Length (mm) | Luminal diameter (μm) | FDA approval | CE mark |
| | Schlemm’s canal devices | | | Trabectome | NA | NA | 2004 | 2004 | | ELT | NA | NA | Pending | 1998 | | iStent | 1 | 120 | 2012 | 2004 | | iStent inject | 0.36 | 230 | US IDE | 2010 | | Hydrus | 8 | 185–292 | US IDE | 2011 | | Suprachoroidal devices | | | CyPass | 6.35 | 300 (inner) | 2016 | 2009 | | 510 (outer) | | iStent Supra | 4 | 160 | US IDE | 2010 | | Subconjunctival devices | | | XEN-45 | 6 | 45 (inner) | 2016 | 2011 | | 150 (outer) | | InnFocus | 8.5 | 70 | US IDE | 2012 |
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ELT: excimer laser trabeculotomy; NA: not available; US IDE: US investigational device exception. No device implantation required.
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