Recognise these? (Picture: TED-ed)

We call them eye floaters, but they’re proper name is muscae volitantes – Latin for ‘flying flies’.

But they’re not real flies, or any sort of foreign object we should be scared about.

Floaters come into our vision when they cast a shadow on the retina (Picture: TED-ed)

The floaters are red blood cells, protein lumps or bits of tissue.

They come into our vision when they cast shadows on our retina.

The closer to the retina, the more visible they become. Take a look at this explainer video: 

 
 
 
 

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