Complications after cataract surgery are relatively common and include the following types: First, incision leakage, leading to a shallow anterior chamber; Second, pupil block; Third, damage to the corneal endothelium, causing persistent corneal edema, and even bullous keratopathy; Fourth, anterior chamber hemorrhage; Fifth, epithelial implantation in the anterior chamber; Sixth, postoperative uveitis; Seventh, increased intraocular pressure; Eighth, abnormal positioning or dislocation of the intraocular lens; Ninth, macular edema, and retinal detachment can also occur.