A posterior vitreous detachment (PVD) is a condition of the eye in which the
vitreous humour separates from the
retina.The vitreous humor fills the
eye behind the
lens. At
birth it is attached to the
retina. Over time the vitreous changes, shrinking and developing pockets of liquefaction, similar to the way a
gelatin dessert shrinks, or detaches, from the edge of a pan over time. At some stage the vitreous may peel away from the retina. This is usually a sudden event. When this occurs there is a characteristic pattern of symptoms:flashes of light (
photopsia) a sudden dramatic increase in the number of
floatersa ring of floaters or hairs just to the temporal side of the central visiona slight feeling of heaviness in the eye.
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a condition in which the vitreous pulls away from the retina and optic nerve at the back of the eye.
For more information, See
Eye Diseases on the MD Support web site.
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