The cloudiness of the white eyeball is related to conjunctivitis, aging factors, environmental factors, etc. When there is no obvious discomfort, observation and treatment are sufficient. 1. Conjunctivitis: It is usually due to a history of conjunctivitis, which causes conjunctival blood vessels to dilate and congest, or even hemorrhage, resulting in pigmentation, which in turn leads to cloudy white eyeballs. 2. Aging factors: with age, the body undergoes aging, the conjunctiva may have some degeneration and pigmentation, which makes the white eyeballs look cloudy, generally has little effect on the normal function of the eye. 3. Environmental factors stimulation: usually due to long-term exposure to ultraviolet light, sand and other adverse environmental factors, resulting in eye surface stimulation, resulting in the phenomenon of cloudy white eyeballs, generally does not affect vision. White eye clouding can also be caused by other reasons, if accompanied by eye discomfort, it is recommended to consult a doctor in time to avoid adverse consequences.