Excellent acuity—yet an unhappy patient? Following successful cataract surgery, vitreous floaters that were previously unnoticed may become visually significant. They can impair perceived visual quality despite a well-positioned intraocular lens (IOL) and good postoperative acuity by increasing straylight and reducing contrast sensitivity. This article examines the clinical relevance of vitreous opacities and discusses a non-invasive supportive treatment option for affected patients.