The most common cause of vitreous floaters is Idiopathic contraction of the vitreous humor Less common causes are listed in the table Some Causes of Floaters. Rare causes of floaters include intraocular tumors (eg, lymphoma) and vitritis (inflammation of the vitreous). Intraocular foreign bodies can cause floaters but usually manifest with other symptoms, such as loss of vision, eye pain, or redness. Eye floaters are spots or lines that move in your vision. They may be harmless or a sign of a serious eye condition. Learn how to cope with them or get them removed with surgery or laser therapy. Eye Floaters - Understand the causes, symptoms, and treatment of eye floaters, and when to seek immediate medical attention. Eye floaters may seem like a minor annoyance, but understanding their causes and management is essential for maintaining good vision. At Dr Agarwals Eye Hospital, we offer advanced diagnostic tools and treatments, including laser therapy and vitrectomy, to address floaters and other eye concerns.