the GNU version of the Collaborative International Dictionary of English
n. An eyesight abnormality resulting from the eye's faulty refractive ability, such that one can see only close objects distinctly; the condition of being nearsighted. See myopic, and myopia.
The Century Dictionary and Cyclopedia
n. The state of being near-sighted; myopia.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred
Word Usage
"Such cases are known as nearsightedness and are corrected by having placed in front of the eyes concave lenses of the proper strength."