Dictionary » A » Astigmatism



(Science: ophthalmology) a visual disturbance caused by an error in the refraction of light within the eye.

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Vitamin A

... one need to have permanent diet reach in vit A in order to improve it's sight. However It doesn't have effect if one has efe defect (for example astigmatism, which is the defect of defraction in cornea). For further information try to find some everaged data in medical or biological tables.

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by SU_reptile
Sun Jul 30, 2006 5:10 am
Forum: Physiology
Topic: Vitamin A
Replies: 4
Views: 3820

pres myopia???

... I think you meant presbyopia, a condition that happens in the elderly. There are more terms like amblyopia (lazy eyes), strabismus (crossed eyed), astigmatism (asymmetrical curved cornea) etc......

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by atypical10
Fri Mar 24, 2006 2:03 pm
Forum: Human Biology
Topic: pres myopia???
Replies: 4
Views: 4133

occipital lobe and eyes

... 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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by Avery
Sat Dec 31, 2005 11:33 pm
Forum: Human Biology
Topic: occipital lobe and eyes
Replies: 2
Views: 2328

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