Definitionn. (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea
Last update: October 5, 2015
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Airy, the astronomer, about 1827, corrected his own astigmatism by means of a cylindrical lens. [Please select]
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If the subject cannot read up to the twenty-foot line, nearsightedness or astigmatism is indicated. [Please select]
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One of the most common forms of defective vision is astigmatism. [Please select]
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As an onlooker it seems to me safe to say that the lenses recommended by both the "radicals" and their vivid opponents rather tend to increase than diminish our natural astigmatism. [Please select]
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When you see a man with the lines of his face drooping, a healthy individual with a pensive eye,--suspect astigmatism. [Please select]
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