There is no clear standard for the exact time from the onset of posterior vitreous detachment to complete detachment, which may take months to years depending on age and external factors.
Due to age, external forces, and the progress of the site of occurrence, the exact time from the occurrence of a new posterior vitreous detachment to complete detachment cannot be determined, and it may take several months to several years, or it may be suddenly aggravated or even pull retinal detachment due to the effects of traumatic injury and collision.
Posterior vitreous detachment is mainly caused by age-related vitreous liquefaction and separation of the vitreous cortex from the retina, which may result in symptoms such as floaters and flashes. It is recommended that auxiliary examinations such as dilated pupil optometry be completed in a timely manner, and the fundus of the eye should be rechecked regularly to detect and deal with retinal detachment and retinal detachment in time.