vitreous detachment

noun

: separation of the posterior part of the vitreous body from the retina due to contraction of the vitreous body that occurs as part of the process of aging and may occur sooner in serious cases of myopia, that is usually accompanied by the presence of floaters often seen as spots or structures resembling cobwebs, and that may result in a torn retina or in retinal detachment

called also posterior vitreous detachment