Glasses, spectacles, or eyeglasses are frames bearing lenses worn in front of the human eyes, sometimes for purely aesthetic reasons but normally for vision correction or eye protection..
For more information about the topic Glasses, read the full article at Wikipedia.org, or see the following related articles:
Eyeglass prescription An eyeglass prescription is a written order by an ophthalmologist or an optometrist to an optician for eyeglasses. It specifies the parameters to ... >
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Sunglasses Sunglasses are a visual aid, variously termed spectacles or glasses, which feature lenses that are coloured or darkened to screen out strong light ... >
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Refractive surgery Refractive eye surgery is any eye surgery used to improve the refractive state of the eye and decrease dependency on glasses or contact lenses. The ... >
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Astigmatism (eye) In ophthalmology, astigmatism is a refraction error of the eye in which there is a difference in degree of refraction in different ... >
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Contact lens A contact lens (also known simply as a "contact") is a corrective, cosmetic, or therapeutic lens usually placed on the cornea of the eye.
Contact ... >
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Myopia Myopia is a refractive defect of the eye in which images focus in front of the retina. This may be caused by a defect of the lens/cornea or when the ... >
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Hyperopia Hyperopia, also known as hypermetropia or colloquially as farsightedness or longsightedness, is a defect of vision caused by an imperfection in the ... >
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Visual acuity Visual acuity (VA) is acuteness or clearness of vision, especially form vision, which is dependent on the sharpness of the retinal focus within the ... >
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Ultraviolet Ultraviolet (UV) radiation is electromagnetic radiation of a wavelength shorter than that of the visible region, but longer than that of soft X-rays. ... >
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Eye examination An eye examination is a battery of tests performed by an ophthalmologist or optometrist assessing vision and ability to focus on and discern objects, ... >
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Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Glasses at Wikipedia.org. See the Wikipedia copyright page for more details. Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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