Wednesday, March 7, 2012

Cat Eyes - Can Cats Really See In The Dark

[caption id="f_attachment" align="alignleft" width="350" caption="."]by Axel Rouvin under CC BY with[/caption]
Cats can see in very dim light that looks black to us. This is because of the way cat eyes are designed. We all have nerve endings in our retina called cones and rods. Where we have a ratio of around 4:1 rods to cones, cats have a ratio more like 25:1. The rods are stimulated by low intensity light while the cones are stimulated by bright light. In humans the rods

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