Complications during elective cataract surgery: did the COVID-19 lockdown affect outcomes of ophthalmic surgery?

"Declarations Ethics approval and consent to participateThe study was approved by the board of the Netherlands Ophthalmological Society (NOG) and Netherlands Intraocular Implant Club (NIOIC), owners of the anonymized database. As our study involved anonymized patient data, retrieved from the database in which medical specialists register surgical complications, review of Medical Ethical Committee was not required according to Dutch law (Central Committee on Research Involving Humans)[14]. The study followed the tenets of the Helsinki Declaration. Consent for publicationNot relevant for this manuscript. Competing interestsThe authors have no relevant financial or non-financial interests to disclose. Competing interests The authors have no relevant financial or non-financial interests to disclose."

"Funding The authors declare that no funds, grants, or other support were received during the preparation of this manuscript. After the manuscript was completed, a grant was requested for the article processing costs from Edmond and Marianne Blaauw Fonds voor Oogheelkunde."