Table 5: Microbypass stent studies results.

AuthorYearNumber of eyesFollowup (months)IOP reduction (mmHg)IOP reduction (%)Postop. IOP (mmHg)Reduction in meds (%)

iStent alone
 Spiegel et al. [14]2007612 24.2
 Buchacra et al. [15]20111012 27.3
iStent/Phaco
 Spiegel et al. [16]2008486 26.5
 Spiegel et al. [17]20094212 21.3
 Fernández-Barrientos et al. [18] 20101712 27.2
 Fea [19]20101215 17.3
 Samuelson et al. [20]201110612 31
 Arriola-Villalobos et al. [21]20121954 16.3
 Craven et al. [22]2012240248.4 0.3
 Belovay et al. [23]201253243.16