Fig. 01 The iStent inject is a trabecular micro-bypass system with two preloaded implants made of heparin-coated, non-ferromagnetic titanium.

Fig. 02 Two iStent injects implanted in Schlemm’s canal. The implantation is ab interno in between the pigmented and unpigmented trabecular meshwork, in the nasal inferior quadrant, where the collector channel density is highest. (Images courtesy of Dr Best)

Fig. 03 Phaco + HKL: IOP after standard cataract surgery in 35 eyes: the average IOP reduction was 2.5 mmHg (11.4%) after 3 months, 2.1 mmHg (9.5%) after 6 months and 2.0 mmHg (9.1%) after 12 months. Phaco + HKL + iStent inject: IOP after combined surgery in 36 eyes: the average IOP reduction was 6.9 mmHg (27.5%) after 3 months, 6.5 mmHg (25.9%) after 6 months and 5.7 mmHg (22.7%) after 12 months.