Playing is Learning
The Specifics of the Human Eye
June 17th, 2015
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Welcome to the World of PROFESsee™by seeCOSM™ PROFESsee™ is my title. I am the perpetual learner, in pursuit of knowledge, wisdom and truth. I derived my name from professor |
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I would say that this part of the human anatomy has the sexiest name, retina! Almost reminds you of Regina, no? And now some science here: did you know that the retina has the light receptacle rods that discern the light and enable the eye to see? For the blind as a bat, no pun intended, it means that their retina has simply given up on them and it may be too late for carrots to rectify that. How does the retina work? Like an English light bulb? Not really. It is packed with rods that discern the light but to discern color we use the cones in the retina. Now, with the rods only, you are a real colorblind and you cannot tell Paul from Peter. The cones will enable you to discern the red, blue and yellow colors as they are very sensitive to such colors. When someone’s cones cannot tell the difference between red and blue, that person is said to be colorblind. Your cones will only work perfectly when there is light. They work best when in natural light. That explains why one cannot tell the difference between colors at night. Do you know that your retina, small as it is, carries millions of cones, say about 6 million of them all? Fantastic stuff this is! However, if the cones that discern a certain color are weak or dead, then you will be colorblind, to that color at least. But no worry buddy as you will be kind of jumping into the bandwagon. You know, 8 percent of the male population in the world is colorblind while 0.5 percent of the female population is too. Why the difference? Who knows? After all, females beat us in many more things, including life expectancy and therefore, in matters as small as the retina, we expect them to beat us men folk hands down. Can you Answer these questions about the eye? Image courtesy of: http://hubel.med.harvard.edu/book/b8.htm |
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