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... Astigmatism is a condition in which the cornea of the eye is asymmetrically curved, causing out-of-focus vision.
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www.nlm.nih.gov/medlineplus/ency/article/001015.htm#Def...
www.nlm.nih.gov/medlineplus/ency/article/001015.htm#Definition
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Astigmatism, a common condition where the cornea is not perfectly spherical, can be treated with eyeglasses, contact lenses, or laser eye surgery. ... You may not notice small amounts of astigmatism at all or have just slightly blurred vision. But sometimes uncorrected astigmatism can give you headaches or eye strain...
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www.allaboutvision.com/conditions/astigmatism.htm
www.allaboutvision.com/conditions/astigmatism.htm
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Astigmatism - Wikipedia, the free encyclopedia
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An optical system with astigmatism is one where rays that propagate in two perpendicular planes have different foci. If an optical system with astigmatism is used to form an image of a cross, the ve...
en.wikipedia.org/wiki/Astigmatism
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Astigmatism (eye) - Wikipedia, the free encyclopedia
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Astigmatism is an optical defect in which vision is blurred due to the inability of the optics of the eye to focus a point object into a sharp focused image on the retina. This may be due to an irreg...
en.wikipedia.org/wiki/Astigmatism_(eye)
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Astigmatism is a common form of visual impairment in which part of an image is blurred, due to an irregularity in the curvature of the front surface of the eye, the cornea. ... home > eyesight center > eyesight a-z list > astigmatism index > astigmatism article...
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www.medicinenet.com/astigmatism/article.htm
www.medicinenet.com/astigmatism/article.htm
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Astigmatism glossary includes a list of Astigmatism related medical definitions and related links on MedicineNet.com ... home > eyesight center > eyesight a-z list > astigmatism index > astigmatism article > glossary...
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www.medicinenet.com/astigmatism/glossary.htm
www.medicinenet.com/astigmatism/glossary.htm
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Astigmatism is a vision condition that causes blurred vision due either to the irregular shape of the cornea, the clear front cover of the eye, or sometimes the curvature of the lens inside the eye. ... What causes astigmatism?
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www.aoa.org/Astigmatism.xml
www.aoa.org/Astigmatism.xml
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Astigmatism — Comprehensive overview covers symptoms, causes, treatment of this irregular eye curvature. ... Astigmatism is a mild and easily treatable imperfection in the curvature of your eye. The condition can cause blurred vision.
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www.mayoclinic.com/health/astigmatism/DS00230
www.mayoclinic.com/health/astigmatism/DS00230
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