Posterior vitreous detachment SNOMEDCT_US:247081001 The vitreous humor is a transparent and colorless gel located between the retina and the lens. In posterior vitreous detachment (PVD), the vitreous membrane (which surrounds the vitreous humor) separates from the retina. This condition is common in individuals over 65 years of age but may occur in younger persons. PVD is often characterized by flashes of light and floaters, and may be complicated by retinal detachment. Vitreous detachment UMLS:C0423361 HP:0001489 Separation of the vitreous humor from the retina. Abnormal vitreous humor morphology