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State or condition of being blind, literally or figuratively. Darwin. Color blindness, inability to distinguish certain color. See Daltonism.

Blindness. [R.] Urquhart.

Color blindness; inability to distinguish colors; Daltonism.

Color blindness; achromatopsy.

e, to understand written or printed symbols although they can be seen, as in case of word blindness.

Want or defect of sight; blindness.

rt to gain a point; esp. an unsuccessful, as contrasted with a successful, effort. By his blindness maimed for high attempts. Milton. Attempt to commit a crime (Law), such an intentional preparatory act as will apparently result, if not extrinsically hindered, in a crime which it was designed to effect. Wharton.…

Blindness. [R.] Sir T. Browne.

Partial blindness, or a tendency to blindness. [R.] Sir T. Browne.

Affected with color blindness. See Color blindness, under Color, n.

One afflicted with color blindness.

Inability to perceive or distinguish certain colors, esp. red; color blindness. It has various forms and degrees. So called from the chemist Dalton, who had this infirmity. Nichol.

A species of blindness in horses in which the eye is bright and the pupil dilated; a sort of amaurosis. Youatt.

n or disease, and sometimes having such a word for the direct object. "To help him of his blindness." in is used for that function; -- "to help him in his misery" Shak. The true calamus helps coughs. Gerarde.

Want of due consideration; inattention to consequences; inconsiderateness. Blindness of mind, inconsideration, precipitation. Jer. Taylor. Not gross, willful, deliberate, crimes; but rather the effects of inconsideration. Sharp.

A crescentlike outwork. See Half-moon. Moon blindness. (a) (Far.) A kind of ophthalmia liable to recur at intervals of three or four weeks. (b) (Med.) Hemeralopia. -- Moon dial, a dial used to indicate time by moonlight. -- Moon face, a round face like a full moon. -- Moon madness, lunacy. [Poetic] -- Moon month, a…

A temporary blindness, or impairment of sight, said to be caused by sleeping in the moonlight; -- sometimes called nyctalopia.

faint light or at twilight, but is unable to see during the day or in a strong light; day blindness.

o the mind, or its functions and diseases; mental; -- contrasted with physical. Psychical blindness, Psychical deafness (Med.), forms of nervous disease in which, while the senses of sight and hearing remain unimpaired, the mind fails to appreciate the significance of the sounds heard or the images seen. -- Psychical…

of levant wormseed and used as an anthelmintic. It occassions a peculiar temporary color blindness, causing objects to appear as if seen through a yellow glass.