6. When you blink, it lasts for about one tenth of a second. 7. - TopicsExpress



          

6. When you blink, it lasts for about one tenth of a second. 7. Scientists believe that processing your vision uses around half of the brain’s power. 8. Each of your eyes has a blind spot - where the optic nerve attaches to the retina. The brain is just smart enough to fool you into ignoring it. 9. In an experiment, people were given glasses which flipped their vision upside down. Within a day, those people’s vision had corrected itself so the brain interpreted the world the right way up. Amazingly, when the glasses were eventually removed, the same thing happened - it took around a day for the brain to adjust again. 10. Your eyeball weighs around 30 grams.
Posted on: Sat, 04 Oct 2014 05:21:44 +0000

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