Update on Minimally Invasive Glaucoma Surgery (MIGS) and New Implants

Table 5

Microbypass stent studies results.

Author	Year	Number of eyes	Followup (months)	IOP reduction (mmHg)	IOP reduction (%)	Postop. IOP (mmHg)	Reduction in meds (%)
iStent alone
Spiegel et al. [14]	2007	6	12	4.9±2.6	24.2	15.3±3.7	0.5±0.3
Buchacra et al. [15]	2011	10	12	6.6±5.4	27.3	19.9±2.3	1.8±0.1
iStent/Phaco
Spiegel et al. [16]	2008	48	6	5.7±3.8	26.5	15.8±3.0	1.5±0.7
Spiegel et al. [17]	2009	42	12	4.4±4.5	21.3	16.9	1.2±0.7
Fernández-Barrientos et al. [18]	2010	17	12	6.57±2.95	27.2	17.6±2.8	1.12±0.48
Fea [19]	2010	12	15	3.2±3.0	17.3	14.8±1.2	2.0±0.9
Samuelson et al. [20]	2011	106	12	8.4±3.6	31	17	1.4±0.8
Arriola-Villalobos et al. [21]	2012	19	54	3.16±3.9	16.3	16.3±4.2	0.47±0.96
Craven et al. [22]	2012	240	24	—	8.4	17.1±2.9	0.3
Belovay et al. [23]	2012	53	24	3.16	—	14.3±2.9	2.0±1.4