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Myopia   Listen
noun
Myopia  n.  (Med.) Nearsightedness; shortsightedness; a condition of the eye in which the rays from distant object are brought to a focus before they reach the retina, and hence form an indistinct image; while the rays from very near objects are normally converged so as to produce a distinct image. It is corrected by the use of a concave lens.






Collaborative International Dictionary of English 0.48








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"Myopia" Quotes from Famous Books



... But he had one grave physical defect. He was extremely short-sighted, had worn spectacles habitually from his sixth year and was almost helpless without them. In fact, his vision was not one-twelfth of normal. Much to his chagrin, his myopia excluded him from the Infantry which he tried to enter in the spring of 1915, and he had to put up with a Commission as a subaltern in the Army Service Corps. His first three months in the Army were spent at a home port, one of the chief depots of supply for the ...
— War Letters of a Public-School Boy • Henry Paul Mainwaring Jones

... [Fallacies of vision.] — N. dim sight, dull sight half sight, short sight, near sight, long sight, double sight, astigmatic sight, failing sight; dimsightedness &c.; purblindness, lippitude[obs3]; myopia, presbyopia[obs3]; confusion of vision; astigmatism; color blindness, chromato-pseudo-blepsis[obs3], Daltonism; nyctalopia[obs3]; strabismus, strabism[obs3], squint; blearedness[obs3], day blindness, hemeralopia[obs3], nystagmus; xanthocyanopia[obs3], ...
— Roget's Thesaurus

... allowed to learn to read at too early an age. One can find out the age at which any given child did learn to read, and work out the coefficient of correlation between this age and the child's amount of myopia. If the relation between them is very close—say .7 or .8—it will be evident that the earlier a child learns to read, the more short-sighted he is as he grows older. This will not prove a relation of cause and effect, but it will at least create a great suspicion. ...
— Applied Eugenics • Paul Popenoe and Roswell Hill Johnson



Words linked to "Myopia" :   myopic, hyperopia, shortsightedness, ametropia, nearsightedness



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