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Posts tagged retina

November 24, 2011

 

Check out those cross-eyes!

Why Are Siamese Cats Cross-Eyed?

Have you ever noticed that Siamese cats are cross-eyed? In fact, that's the only way a Siamese cat can see straight.

November 15, 2011

 

Someone creating a thaumatrope

What Is A Thaumatrope?

Did you know that the thaumatrope was invented by an English physician named J. A. Paris in 1926?

April 6, 2011

 

Why Do I Sometimes See Tiny Moving Dots?

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

December 8, 2010

 

Eagles Have Eyes That Produce A Telephoto Effect

Eagle's have very different vision compared to humans.

February 4, 2010

 

Cats And Colors

Have you ever wondered why your cat cannot see color?

May 3, 2005

 

Warm Eyes See Better

How do cold blooded fish stay warm in the frigid ocean? Learn more on this Moment of Science.

March 25, 2004

 

The Green Door

Learn about peripheral vision and color on this Moment of Science.

October 16, 2003

 

Making Contact

Learn how contacts function compared to eyeglasses.

September 27, 2003

 

The Moving Thumb

This shows that our brains aren’t just open windows through which the world pours. They are always interpreting the information they receive. In this case, your brain knew your eyes were moving, and it interpreted the change in visual images as coming from inside your head.

September 27, 2003

 

Star Light, Star White

The back of your eye, called the retina, has two kinds of cells: rods and cones. In bright light the cones are what we use, while in dim light the cones are less active and the rods take over.

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