Stress, overuse of the eyes and insufficient rest can cause floaters in the eye, especially for people have servere myopia. So relax yourself and strike a proper balance between work and leisure in case of the overuse of the eyes. In the diets, you can eat more antioxidant foods, and some marine products containing iodine can prevent the eye floaters. But you need to take notice that the vitreous body nubecula may be pathologic, which is caused by ocular inflammation, ocular conjunctiva or hemorrhage and such cases also manifest the earlier stage symptoms of eye floaters. Compared with the physiologic eye floaters, they would have a bad influence on vision. So do not be negligent, if you feel that the quantity and density of floaters enlarge, you should go to the hospital to check your eyes thoroughly at once without delay.