Roget's Thesaurus: Entry 443 (Imperfect vision)

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#443. [Imperfect vision.] Dimsightedness. [Fallacies of vision.] -- N. dim sight, dull sight half sight, short sight, near sight, long sight, double sight, astigmatic sight, failing sight; dimsightedness &c.; purblindness, lippitude[obs]; myopia, presbyopia[obs]; confusion of vision; astigmatism; color blindness, chromato-pseudo-blepsis[obs], Daltonism; nyctalopia[obs]; strabismus, strabism[obs], squint; blearedness[obs], day blindness, hemeralopia[obs], nystagmus; xanthocyanopia[obs], xanthopsia[Med]; cast in the eye, swivel eye, goggle- eyes; obliquity of vision.

winking &c. v.; nictitation; blinkard[obs], albino.

dizziness, swimming, scotomy[obs]; cataract; ophthalmia.

[Limitation of vision] blinker; screen &c. (hider) 530.

[Fallacies of vision] deceptio visus[Lat]; refraction, distortion, illusion, false light, anamorphosis[obs], virtual image, spectrum, mirage, looming, phasma|; phantasm, phantasma[obs], phantom; vision; specter, apparition, ghost; ignis fatuus &c. (luminary) 423 specter of the Brocken magic mirror[Lat]; magic lantern &c. (show) 448; mirror lens &c. (instrument) 445.

V. be dimsighted &c. n.; see double; have a mote in the eye, have a mist before the eyes, have a film over the eyes; see through a prism, see through a glass darkly; wink, blink, nictitate; squint; look askant[obs], askant askance[obs]; screw up the eyes, glare, glower; nictate[obs].

dazzle, loom.

Adj. dim-sighted &c. n.; myopic, presbyopic[obs]; astigmatic moon- eyed, mope-eyed, blear-eyed, goggle-eyed, gooseberry-eyed, one-eyed; blind of one eye, monoculous[obs]; half-blind, purblind; cock-eyed, dim-eyed, mole-eyed; dichroic.

blind as a bat &c. (blind) 442; winking &c. v.