Floaters are deposits of various size, shape, consistency, refractive index, and motility within the eye’s vitreous humour, which is normally transparent. At a young age the vitreous is perfectly transparent but, during life, imperfections gradually develop. The common type of floater, which is present in most people’s eyes, is due to degenerative changes of the vitreous humour. The perception of floaters is known as myodesopsia. Floaters are visible because of the shadows they cast on the retina or their refraction of the light that passes through them, and can appear alone or together with several others in one’s field of vision. They may appear as spots, threads, or fragments of cobwebs, which float slowly before the observer’s eyes. Since these objects exist within the eye itself, they are not optical illusions but are entoptic phenomena.

(via bbkk-deactivated20120901)

Source: Wikipedia

62357 Notes/ Hide

  1. palabiyiklisungerbob reblogged this from longcatislooooong
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  9. tobsjpalfrey reblogged this from bloggingthetrench and added:
    YOU MEAN OTHER PEOPLE CAN SEE THEM TOO? i’M NOT CRAZY!!!
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  14. rosejam reblogged this from octopposed and added:
    that is actually exactly what it looks like.
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  18. darkerangels reblogged this from yotta1000 and added:
    This has always baffled me… now I know! Thank you Tumblr!!!!!!!!!!!!
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  25. calinaestel reblogged this from dduane and added:
    I HAVE SEEN THESE DAMNED THINGS FOR YEARS. EVERY TIME I CLOSE MY EYES MOST OF THE WAY ON A BRIGHT DAY I’D GET THESE...