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.

I. Paul Singh, MD, of The Eye Centers of Racine & Kenosha, Wisconsin, also suggested a change in terminology from floaters to “clinically significant vitreous opacities,” or CSVO, for these ...

Of course, eye floaters are common and usually aren’t cause for alarm. They “look a bit like squiggly worms ― some may be see-through” while others might be opaque, Dr Ahmed shared.