occipital lobe and eyes

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kandarp shah
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occipital lobe and eyes

Post by kandarp shah » Sat Dec 31, 2005 8:19 pm

what causes eye glasses ?

is there any kind of deficiences with occipital lobe in the brain that resulting in causing us to weare eye glasses.?????????
thanks

Avery
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Post by Avery » Sat Dec 31, 2005 11:33 pm

There are many causes for poor eyesight: usually its attributed to a change in eyeball shape. In the nearsighted eye the eyeball is too long and light has difficulty reaching the retina. In the farsighted eye the opposite is true. The eyeball is too short and light has difficulty focusing on the retina.

Of course there are many other problems that cause people to wear glasses; Presbyopia, astigmatism, etc. As far as there being a defect in the occipital lobe, I wouldn't know. Perhaps someone else has some ideas?

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mith
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Post by mith » Sun Jan 01, 2006 12:08 am

I don't think it's really a change in eyeball shape but a change in the muscles controlling the lense.
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