Many people complain of seeing things swim before their eyes, wing fly or a spider-web They are different shapes and sizes and clear vision when looking at the whiteboard surface. Moving these points with the black eye in the attempt to move the injured person to be seen and are often fly very small making it difficult for the examining physician deems the patient's vision, while easily and clearly show him as more than several times its original size because of its proximity to the retina and frequently the situation when short consideration or to the people who are bleeding or infection or damage to the retina. It is composed from a pool of red or white cells and strings Fiber swim in the water glass, and remain unchanged for a long time. Do not have to be removed, but the people who have this phenomenon to examine their eyes on long intervals (eg every three months), to ensure safety and to do a complete scan of the body and especially for diabetes and blood pressure.