| nearsightedness | <ophthalmology> That error of refraction in which rays of light entering the eye parallel to the optic axis are brought to a focus in front of the retina, as a result of the eyeball being too long from front to back (axial myopia) or of an increased strength in refractive power of the media of the eye (index myopia). Also called nearsightedness, because the near point is less distant than it is in emmetropia with an equal amplitude of accommodation. Origin: Gr. Myein = to shut (18 Nov 1997) |
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| nearsightedness |
myopia: (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred
Ãâó: wordnet.princeton.edu/perl/webwn
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| nearsightedness |
That refractive condition of the unaccommodated eye where parallel incident rays of light tend to focus at a point in front of the retina.
Ãâó: www12.mawebcenters.com/coltslaboratories/gloss.ivn...
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| nearsightedness |
A condition that occurs when the cornea is too steep and/or the eye is too long, causing light to be focused in front of the retina, which results in blurred vision.
Ãâó: www.mn-eye.com/aye_glossary.aspx
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| nearsightedness |
Focusing defect in which the eye is overpowered. Light rays coming from a distant object are brought to focus before reaching the retina. Requires a minus lens correction to "weaken" the eye optically and permit clear distance vision.
Ãâó: www.howardnations.com/blindness/blindness_glossary...
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| nearsightedness |
An error of visual focusing that makes distant objects appear blurred. b
Ãâó: www.mise.org/mise/index.jsp
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| nearsightedness | (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability |
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