Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A visual defect in which distant objects appear blurred because their images are focused in front of the retina rather than on it.
  • noun Lack of discernment or long-range perspective in thinking or planning.

from The Century Dictionary.

  • noun Short-sightedness; nearsightedness: the opposite of hypermetropia.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun pathology A disorder of the vision where distant objects appear blurred because the eye focuses their images in front of the retina instead of on it.
  • noun A lack of imagination, discernment or long-range perspective in thinking or planning.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Greek muōpiā, from muōps, muōp-, nearsighted : mūein, to close the eyes + ōps, eye; see okw- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Ancient Greek μυωπία (myōpia, "shortsightedness"), from μύειν (myein, "to shut") + ὤψ (ōps, "eye").

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