Mind-Boggling Optical Illusions...I dare you to look at all 8


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8 Mind-Boggling Optical Illusions:eyes:
Test your perception with these wild designs

By Olivia Putnal


If you’ve ever felt like you go a little cross-eyed after taking a peek at an optical illusion, then you know they can be a pretty intense phenomenon. What your eyes perceive when looking at one of these images is actually a visual illusion; you see the image as something different than what it is because the different cells and receptors in your eyes distinguish images and colors at dissimilar speeds. The eye can only receive a limited amount of visual stimuli, but as your brain constantly processes the visual information, it gives you the illusion of continuous sight. Whether it’s an optical, physiological or cognitive illusion, the design plays a trick on your eyes (and mind). Check out some of the interesting illusions below—but beware, you may not be able to absorb them all in one sitting.

Continues and Images: http://health.yahoo.com/featured/46/...cal-illusions/