MIGS definitionCurrently, there is no universal or widely acknowledged definition of MIGS. According to the workshop of the American Glaucoma Society and US Food and Drug Administration (FDA) held in February 2014, MIGS was characterized by the "implantation of a surgical device intended to lower IOP via an outflow mechanism with either an ab interno or ab externo approach, associated with very little or no scleral dissection". 9 According to Saheb and Ahmed 10 , the term MIGS refers to a group of surgical procedures which share five preferable qualities namely-