Ocular floating phenomenon: colorless and transparent colloid filling the posterior 4/5 cavity of the eye, mainly with collagen fibrils and a colloid composed of 98.5%-99.7% water. The vitreous itself is not vascular, metabolism is very low, its nutrition from the choroid and atrial aqueous. The vitreous body is susceptible to various physical, chemical, trauma, inflammatory-like disease, degenerative degeneration, etc., decomposition occurs, the phenomenon of liquefaction. It is manifested as floaters in various forms such as dotted, linear, and cobweb-like in front of the eye, and floats up and down with the eye movement. So, how can the phenomenon of floating eyes be prevented? Here is a brief introduction. Eye floaters should be prevented 1, to prevent sand and dust and other things into the eyes. In sandy areas, you should wear wind goggles when you go out. When fine dust falls into the eyes, immediately blink gently and let the tears flush out the dust. If grass clippings, small insects, etc. fall into, you should immediately close your eyes, turn your upper eyelids over, and then use a clean handkerchief, skim cotton, etc. to wipe them out or rinse them out with water. 2, to prevent strong light to stimulate the eyes. In strong sunlight or snow travel, should promptly wear sunglasses, sun hat, etc. to protect the eyes. 3.Carry eye drops with you. The eyes are the most delicate organ of the human body and should not be delayed if there is an accident. Especially in the middle of nowhere, high mountains and deep valleys, you should carry commonly used drops with you. Rinsing your eyes with herbal tea can also prevent eye diseases.