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Hypermetropy   Listen
noun
Hypermetropy, Hypermetropia  n.  An abnormal condition of the eye in which, through shortness of the eyeball or fault of the refractive media, the rays of light come to a focus behind the retina, making vision for distant objects better than for near objects; farsightedness; now most commonly called hyperopia. Cf. Emmetropia. (Obsolescent)
Synonyms: hyperopia, farsightedness, longsightedness. Note: In hypermetropia, vision for distant objects, although not better absolutely, is better than that for near objects, and hence, the individual is said to be farsighted. It is corrected by the use of convex glasses.






Collaborative International Dictionary of English 0.48








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"Hypermetropy" Quotes from Famous Books



... naturally surround such an examination they found that in fifty-two eyes of rabbits, thirty-six were hypermetropic and astigmatic, eight were hypermetropic only, five were myopic and astigmatic, and others presented mixed astigmatism. In the eyes of the guinea pig about the same proportion of hypermetropia existed. The eyes of five rats examined gave the following result: Some were far sighted, others were hypermetropic and astigmatic, one was slightly myopic and one had mixed astigmatism. Of six cows, five were hypermetropic and astigmatic and ...
— Scientific American Supplement No. 822 - Volume XXXII, Number 822. Issue Date October 3, 1891 • Various



Words linked to "Hypermetropy" :   farsightedness, presbyopia, hyperopia, hypermetropia



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