Where are these transparent pieces floating before my eyes

Almost all from time to time such notice translucent white flies or things (as they are called something!), Floating before his eyes. They look pretty nasty, reminding some debris.

Website
Many of you may have seen a picture of when squinted and looked at the light:





It's red blood cells, protein clumps and other pieces of tissue inside the eye, and we see them because they cast a shadow on the retina.





Read more about it - in the video. Do not forget to include subtitles in Russian.





via fishki.net/1716250-otkuda-berutsja-jeti-prozrachnye-shtuki-plavajuwie-pered-glazami.html