What are those floaty things in your eye? - Michael Mauser
View full lesson: http://ed.ted.com/lessons/what-are-those-floaty-things-in-your-eye-michael-mauser Sometimes, against a uniform, bright background such as a clear sky or a blank computer...
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Have you ever noticed something swimming in your field of vision?It may look like a tiny worm or a transparent blob,and whenever you try to get a closer look, it disappears,only to reappear as soon as you shift your glance.But don't go rinsing out your eyes!What you are seeing is a common phenomenonknown as a floater.The scientific name for these objects is Muscae volitantes,Latin for "flying flies,"and true to their name, they can be somewhat annoying.But they're not actually bugs or any kind of external objects at all.Rather, they exist inside your eyeball.Floaters may seem to be alive, since they move and change shape,but they are not alive.Floaters are tiny objects that cast shadows on the retina,the light-sensitive tissue at the back...
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Have you ever noticed something swimming in your field of vision?It may look like a tiny worm or a transparent blob,and whenever you try to get a closer look, it disappears,only to reappear as soon as you shift your glance.But don't go rinsing out your eyes!What you are seeing is a common phenomenonknown as a floater.The scientific name for these objects is Muscae volitantes,Latin for "flying flies,"and true to their name, they can be somewhat annoying.But they're not actually bugs or any kind of external objects at all.Rather, they exist inside your eyeball.Floaters may seem to be alive, since they move and change shape,but they are not alive.Floaters are tiny objects that cast shadows on the retina,the light-sensitive tissue at the back...
