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Optic Nerve
 The optic nerve, also called the second cranial nerve, carries the electrical impulses of the visual impressions from the retina to the brain. It is more a brain tissue than a nerve tissue. It's location is there at the back of the eye, a bit to the side of the macula. The place where the optic nerve attaches to the eyeball is called the optic disc.  The optic disc does not have any light receptor cells. Hence it creates a blind spot over the place where it exactly locates. If the light rays from an object are focused at that point, it becomes invisible to the eye. But it generally doesn't get noticed because the other eye keeps the object visible even when the first goes spatially 'blind'!
The Blindspot Test:
In optic nerve atrophy, the tissues of the nerve start dying, affecting vision adversely. The factors/conditions that may be responsible for the optic nerve atrophy, include:
Once optic nerve atrophy has damaged the nerve, it cannot be reversed. But yes, If the preventive measures are taken, further loss of vision leading to blindness may be prevented. Vision therapy, through training the eye for central fixation (third eye opening), comes handy for this. I'll like to reproduce Dr. W.H.Bates' words in this regard here: "Not only do all errors of refraction and all functional disturbances of the eye disappear when it sees by central fixation, but many organic conditions are relieved or cured." "I am unable to set any limits to its possibilities." "I would not have ventured to predict that glaucoma, incipient cataract and syphilitic iritis could be cured by central fixation; but It is a fact that these conditions have disappeared when central fixation was attained." "Even the optic nerve itself, has been benefited by central fixation after other methods had failed." I invite you to subscribe to my weekly E-zine titled Third Eye-zine. This weekly E-zine publishes rare, revolutionary articles which are of real use in the day-to-day life of a common man, covering topics concerning the effect of third eye opening on health, diseases, personality, performance, efficiency, relationship, sex, mind, creativity, passion, business, management, and energy level of a person; apart from its effect on vision correction. A not-to-be-missed opportunity! Subscribe to it here: I also invite you to subscribe to my Third Eye Blog - no need to provide your e-mail address here. This RSS feed keeps you informed about new developments taking place on this site. It also harbors my weekly Third Eye Bloglet narrating My Story : My Date with My Body - a bloglet about vision, mind, sex, science, and society. A real interesting reading! In order to subscribe to the blog, right-click on the orange RSS button (see buttons up to the left) and then paste the URL into your RSS reader. Or click on add to My Yahoo! button or My MSN or Add To Google button if you keep a personalized home page there. If you are not sure what RSS or blogging is all about, click on What's an RSS Feed? here:
Return from Optic Nerve to Human Eye
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