The Ten Things You Don't Know About Your Eyes Quiz
From the ancestors to the scientists , there are many things you don't know about so here are the top better check what you know! 10 Questions.
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Cataracts : everybody gets cataracts , even if you haven't contracted a disease , the UV in ''what'' essentially cooks your eyes , clouding them over time?
Plica Semilunaris : located at the inside corner of your eyes is ''what'' skin , this is the remnant of the Nictitating Membrane , which is your third eye lid?
Pikachurin : a ''what'' that exchanges information between photoreceptors , in your eyes and brain , it's so fast it was named after Pikachu?
Female Eyes : men require longer wavelengths to perceive the same hues as women , this means men are less adept at distinguishing ''what'' in the centre of the colour spectrum?
Blue Eyes : people with blue eyes all share a common ancestor , the first Blue Eyed person existed 6,000 to 10,000 years ago , before that people had ''what'' eyes?
Blinking : we blink 10 to 15 times a minute , each blink lasts for 100 to 150 milliseconds , given 8 hours of sleep , most people therefore spend ''what'' minutes blinking each day?
Corrective Vision : a psychologist once wore glasses that reversed upside down into his eyes , after 8 days his brain ''what'' the image allowing him to see normally?
Eyelash Mites : about half the population has mites living in their eyelashes , feeding of ''what'' and dead skin cells , they are harmless?
Muscae Volitantes : these are small dots seen floating in your vision , they are optical ''what'' , such as dead cells floating in your visual field?
Fuchs' Corneal Dystrophy : a rare eye condition that normally affects people over 40 , it will turn people blind and for some causes the eyeball to ''what''?
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