A Moment of Science

Posts tagged photoreceptor cells

April 6, 2011

 

statue staring at the sun

Why Do I Sometimes See Tiny Moving Dots?

Those tiny dots are actually blood cells moving in the retina of your eye.

September 27, 2003

 

Close up of a brown eye.

How To Find Your Blind Spot

Can you find your blind spot? And I'm not talking about the one in your rear view mirror.

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