The Answer: If you're seeing dark gray spots or strands that seem to be floating around in front of your face, what you're actually seeing is stuff floating inside your eyes .
The rear two-thirds of your eyeballs are filled with a jelly-like substance called vitreous that helps give your eye its shape and squishiness. The vitreous changes as you age, liquefying and often developing so-called opacities or vitreous strands, little bits of solid matter usually made of collagen fibers. They float around in the vitreous, blocking the light that comes in through your pupil and casting shadows on the retina at the back of the eye. Those shadows are what you think you see in front of you.
They look like they're floating in space because they areRead More »from Should You Be Concerned About Those Annoying Eye Floaters?