Cataract Surgery

Cataract Surgery Complications

Intraoperative Complications (N = 7412)


Intraoperative complications during cataract surgery were uncommon, occurring in only 0.59% of 7412 patients operated on during 2021. The most common complication was posterior capsule rupture, reported in 0.30% of patients, most of whom ended up with excellent vision, followed by zonular dialysis (0.18%), retained lens fragments (0.04%), iris trauma (0.04%), and anterior capsule tear (0.04%). Most patients (99.41%) had no complications.

Postoperative Complications (N = 7412)


Postoperative complications were also rare, occurring in 0.42% of 7412 patients who required a return to the operating room within 30 days of surgery. These included retained lens fragments (0.17%), dislocated lens (0.15%), aphakia (0.10%), retinal detachment (0.02%) and other (0.08%). The other category includes two cases of hyphema, and a case each of refractive outcome, flat anterior chamber and vitreous hemorrhage. Most patients (99.58%) had no complications. There were no culture-positive cases of postoperative endophthalmitis after cataract surgery in 2021.