If you ever notice pesky dark strands that may resemble anything from a simple speck to a cobweb drifting across your vision, what you're probably seeing is what's known as an eye floater.

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 ...

The authors propose that floaters are usually diffraction patterns cast on the retina by red blood cells They are the spots that most people occasionally see before their eyes.

DEAR DR. ROACH: I am a 67-year-old male with generally good vision. I have had a few floaters in my eyes over the years, but they have generally been small and have not significantly affected my ...

“Taking steps to save freshwater mussels is good for river wildlife and good for people.” Green floaters have been lost from nearly half their historical range and are now found in Maryland, New York, ...