Vitreous turbidity is caused by the liquefaction of the vitreous body, the common causes of vitreous turbidity in young people are the following: 1, myopia, when myopia, especially high myopia, can promote the liquefaction of the vitreous body, and cause vitreous turbidity. 2, trauma, eye trauma, impact, can lead to the liquefaction of the vitreous body, clouding, causing the appearance of mosquitoes. 3, excessive eye fatigue, eye fatigue. Long time close eye, long time use of computers, cell phones, tablets and other electronic products, can lead to eye fatigue, accelerate the liquefaction of the vitreous body, resulting in vitreous turbidity. Therefore, young people appear vitreous turbidity, should be promptly to the regular eye medical institutions for consultation, to determine the cause of vitreous turbidity, the corresponding treatment, so as not to delay the disease.