Abstract: With the improvements of surgical techniques and intraocular lens(IOL) design and manufacturing, operative complications of IOL surgery have been gradually reduced, but there are still risk factors affecting the postoperative prognosis. This article describes the common adverse events of IOL, and focuses on the adverse events caused by the quality or materials of IOL and their possible causes, which provides a reference for correct and safe use of IOL on clinic.

Key words: intraocular lens, medical device adverse event, risk control