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Rubiks Cube

Rubiks Cube
Solving the Rubik's cube

Tuesday, May 11, 2010

Learning is fun!

The macula lutea (MACK-you-lah LOO-tee-ah) is a clearly defined yellow area in the center of the retina (macula means spot and lutea means yellow). This is the area of sharpest central vision.

The fovea centralis (FOH-vee-ah sen-TRAH-lis) is a pit in the middle of the macula lutea. Color vision is best in this area because it contains a high concentration of cones.

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