If you see blurry shadows, also called floaters, or flashes of light, you could have PVD. As you get older, a gel inside your eye — called vitreous gel — can liquefy over time. It can slowly ...

Large molecules of collagen clog together and cast shadows on your retina which you perceive as eye floaters," he told Daily Mail Australia. Posterior vitreous detachment (PVD) is where vitreous ...