Table 1: Overview of current glaucoma procedures with MIGS.

Surgical ApproachInternal FiltrationExternal Filtration

Ab InternoTrabeculotomy (Trabectome, Excimer Laser)
Trabecular micro-bypass (iStent), Suprachoroidal stent (Cypass)
Intracanalicular scaffold (Hydrus)
Subconjunctival implant (Aquesys)
Ab ExternoCanaloplasty Stegmann Canal Expander
Suprachoroidal Gold micro shunt