(n.) 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.
MYOPIA
Meaning of MYOPIA in English
Webster's English dictionary. Английский словарь Webster. 2012