Cataract Surgery

Cataract Surgery Complications

Intraoperative Complications (N = 7139)


Intraoperative complications during cataract surgery were uncommon, occurring in only 0.74% of 7139 patients operated on during 2019. The most common complication was zonular dialysis, reported in 0.28% of patients, most of whom ended up with excellent vision, followed by capsular rupture without vitreous loss (0.22%), vitreous loss (0.10%), and iris trauma (0.08%). Other complications (0.06%) included two cases of anterior capsule tear, and one case each of choroidal hemorrhage and vitreous to the wound. Most patients (99.26%) had no complications.

Postoperative Complications (N = 7139)


Postoperative complications were also rare, occurring in 0.28% of 7139 patients who required a return to the operating room within 30 days of surgery. These included reposition of lens (0.13%), retained lens (0.11%), Descemet's membrane detachment (0.01%), aphakia (0.01%), and lens exchange (0.01%). Most patients (99.72%) had no complications. There were no culture-positive cases of postoperative endophthalmitis after cataract surgery in 2019.