21,887,949 views | Michael Mauser • TED-Ed
What are those floaty things in your eye?
Sometimes, against a uniform, bright background such as a clear sky or a blank computer screen, you might see things floating across your field of vision. What are these moving objects, and how are you seeing them? Michael Mauser explains the visual phenomenon that is floaters. [Directed by Reflective Films, narrated by Pen-Pen Chen].