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Background/objectives During the COVID-19, elective cataract surgery (CS) was significantly curtailed. We investigated whether consequent reduction of micro-surgical skills practice might lead to higher operative complications. Methods Single-centre, electronic note review of consecutive patients undergoing CS during three periods: 1 st  February 2019 to 13 th  January 2020 (P1) prior to pandemic; 3rd June 2020 to 11th January 2021 after 1 st  lockdown (P2); and 25 th  January to 30 th  July 2021 (P3) after/during second lockdown. Results 2276 operations occurred during P1, 999 during P2, 846 during P3. During P1, posterior capsular rupture (PCR) rate was 1.67%, similar to P2 (1.30%,  p  = 0.54), but lower than P3 (3.55%,  p  = 0.002). There was no difference in PCR risk percentage scores between routine and PCR cases during P1 (1.90% vs 2.03%,  p  = 0.83), P2 (2% vs 2.18%,  p  = 0.18), or P3 (1.87% vs. 2.71%,  p  = 0.08). During P2 and P3, there was a higher rate of cystoid macular oedema (CMO) compared with P1 (4.9% and 6.86% vs. 1.93%,  p  = 0.0001), with no differences in proportion of diabetics or cases with CMO in combination with PCR. There was no difference in surgeons grade experiencing PCR. Conclusions In P3 following 9 months of curtailed elective CS, PCR rates were increased across all surgeon grades, occurring in cases with similar risk percentage scores. CMO rates were increased during COVID and not related to proportion of diabetics or increased PCR rates. The reduction in elective CS during the pandemic was associated with more complications, perhaps due to attenuation of microsurgical skills.

Impact of cessation of regular cataract surgery during the COVID pandemic on the rates of posterior capsular rupture and post-operative cystoid macular oedema