#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[obs3]; myopia, presbyopia[obs3]; confusion of vision; astigmatism; color blindness, chromato-pseudo-blepsis[obs3], Daltonism; nyctalopia[obs3]; strabismus, strabism[obs3], squint; blearedness[obs3], day blindness, hemeralopia[obs3], nystagmus; xanthocyanopia[obs3], xanthopsia[Med]; cast in the eye, swivel eye, goggle- eyes; obliquity of vision.
winking &c. v.; nictitation; blinkard[obs3], albino.
dizziness, swimming, scotomy[obs3]; cataract; ophthalmia.
[Limitation of vision] blinker; screen &c. (hider) 530.
[Fallacies of vision] deceptio visus[Lat]; refraction, distortion, illusion, false light, anamorphosis[obs3], virtual image, spectrum, mirage, looming, phasma|; phantasm, phantasma[obs3], 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[obs3], askant askance[obs3]; screw up the eyes, glare, glower; nictate[obs3].
dazzle, loom.
Adj. dim-sighted &c. n.; myopic, presbyopic[obs3]; astigmatic moon- eyed, mope-eyed, blear-eyed, goggle-eyed, gooseberry-eyed, one-eyed; blind of one eye, monoculous[obs3]; half-blind, purblind; cock-eyed, dim-eyed, mole-eyed; dichroic.
blind as a bat &c. (blind) 442; winking &c. v.