Physiological flying mosquitoes generally do not go away automatically, because the vitreous inside the eye liquefies and turns into a filamentous or dotted floaters. You can eat more iodine-containing foods, such as seaweed and nori, if there is no problem with the thyroid gland, or you can buy Volitene orally yourself, which can help with eye vitreous clouding. In addition, try not to participate in roller coasters, bungee jumping, skydiving and other strenuous activities, because the strong impact is likely to aggravate the vitreous clouding. There is also to reduce exposure to ultraviolet light, go out with the sun can wear sunglasses. Physiological flying mosquitoes if not covered, no impact on seeing things, you can pretend that it does not exist, but if it is particularly large, blocking seeing things, you can also consider doing surgery.