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astigmatism
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The answer ASTIGMATISM has 8 possible clue(s) in existing crosswords.
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The word ASTIGMATISM is VALID in some board games. Check ASTIGMATISM in word games in Scrabble, Words With Friends, see scores, anagrams etc.
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Definitions of astigmatism in various dictionaries:
noun - (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea
noun - (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
A refractive defect of a lens or other optical system that prevents light rays from converging at a single point, resulting in a blurred or imperfect image.
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Keep reading for additional results and analysis below.
| Possible Jeopardy Clues |
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| Toric contact lenses are designed to correct this condition when it's moderate |
| The name of this refractive defect of the eye comes from the Greek |
| (Kelly of the Clue Crew shows an anatomical diagram on the monitor.) This irregularity in the eye's surface bends the ray of light so that it can't be brought to a single focus, resulting in blurring |
| This condition usually caused by a misshapen cornea can be corrected with glasses or toric contact lenses |
| Possible Dictionary Clues |
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| A visual defect in which the unequal curvature of one or more refractive surfaces of the eye, usually the cornea, prevents light rays from focusing clearly at one point on the retina, resulting in blurred vision. |
| a defect in the eye or in a lens caused by a deviation from spherical curvature, which results in distorted images, as light rays are prevented from meeting at a common focus. |
| a fault in the lens of the eye that reduces the quality of sight, especially a fault that stops the eye from focusing |
| A defect in the eye or in a lens caused by a deviation from spherical curvature, which results in distorted images, as light rays are prevented from meeting at a common focus. |
| (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point |
| (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea |
| Astigmatism description |
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| Astigmatism is a type of refractive error in which the eye does not focus light evenly on the retina. This results in distorted or blurred vision at all distances. Other symptoms can include eyestrain, headaches, and trouble driving at night. If it occurs early in life it can result in amblyopia.The cause of astigmatism is unclear. It is believed to be partly related to genetic factors. The underlying mechanism involves an irregular curvature of the cornea or abnormalities in the lens of the eye. Diagnosis is by an eye exam.Three options exist for the treatment: glasses, contact lenses, and surgery. Glasses are the simplest. Contact lenses can provide a wider field of vision. Refractive surgery permanently changes the shape of the eye.In Europe and Asia astigmatism affects between 30 and 60% of adults. People of all ages can be affected. Astigmatism was first reported by Thomas Young in 1801. |