Yoga for Eye Sight Improvement

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10 | Yoga for Eye Sight Improvementcamera. Our eyealthough is comparableto a camera, isnot having a shapeof a camera. It isa beautiful globule.It is a beautifulspherical ballwhich has got allthe functions of acamera. For example,in this picture,you can see the iris with its aperture and the diaphragm. Lightpasses through the aperture which is covered by a very transparentglossy convex sheet called the Cornea. This is highlysensitive structure of the eye. You would have experienced evenbefore any dust particle sits on the eye, you would have blinked.So this Cornea is a highly sensitive but extremely transparentconvexlayer whichcovers the frontof the eye. Asthe light passesthrough theCornea and thePupil, it passesthrough theconvex lens ofthe eye whichfocuses theYoga in Education for Total Personality Development SERIES - 2
Yoga for Eye Sight Improvement | 11light rays on to the back of the eye ball. These light rays thatpass through the Cornea, will get refracted there, then they getfinely adjusted at the convex lens and the light passes throughto the back of the eye where the photo sensitive layer of the eyeexists called the Retina. Just like in a convex lens which youwould have seen in your physics experiments in your schooldays, there is a focal point where very clear image of the objectin front is focused through the convex lens. Similarly thenatural eye has a capacity to adjust the shape of the convexlens so that the light rays fall exactly at the focal point so thatthe Retina is getting the sharp image of the object that wesee. This Retina has got photo sensitive sensors, photo sensors.What are these photo sensors? They are called Rodsand Cones which can sense the light rays. They are calledRods and Cones which convert the light energy through chemicalenergy into the electrical energy and pass it on throughthe relay nerves to our optic nerves. So all these fibers frommillions of these Rods and Cones carry this information to oureye ball where the Retina carries the image and converts itfrom light energy to electrical energy. The information is carriedon to our brain through the optic nerves. The light raysare now transferred as electrical activity to the actual cortexof the brain called the Occipital Cortex. This Occipital cortexis there behind our head, the last portion of the big chunk ofthe brain. The Occipital Cortex starts interpreting doing lotsof interconnections, interpretations and intermingling of informationchecking with past experience, post experience, lots ofnerve connections, do lots of computerization and finally theimage is transferred on to our mind. It is the mind that doesthe perception and finds the meaning of the image that hasYoga in Education for Total Personality Development SERIES - 2
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Yoga for Eye Sight Improvement

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