| 单词 | visual acuity |
| 释义 | > as lemmasvisual acuity a. Of power or faculty: Pertaining or relating to, concerned or connected with, sight or vision. visual acuity, sharpness of vision; spec. as measured or expressed in terms of a definite scale (see quot. 1974). ΘΚΠ the world > physical sensation > sight and vision > [adjective] perspective?a1475 optical1570 optic1600 visual1603 specular1656 speculative1656 visional1790 visionary1814 ocular1831 the world > physical sensation > sight and vision > types of vision > [noun] > clear- or sharp-sightedness quicknessa1398 clearness1535 eagle eye1567 perspicacity1606 quicksightedness1625 piercingnessa1628 sharpsightedness1647 edgea1682 clear-sightednessa1691 acuity1866 visual acuity1889 V.A.1932 stereo-acuity1942 1603 P. Holland tr. Plutarch Morals 1345 As the one [sc. the sun] kindles, bringeth foorth and stirreth up the visuall power and vertue of the sense. 1798 W. Wordsworth Peter Bell 918 The Spirits of the Mind Are busy..Upon the rights of visual sense Usurping. 1874 W. B. Carpenter Princ. Mental Physiol. (1879) i. i. 13 That part of the Brain which is the instrument of our Visual Consciousness. 1889 A. H. Buck Ref. Handbk. Med. Sci. VII. 665/2 Comparative researches upon the visual acuity of different parts of the retina. 1938 R. L. Rea Neuro-ophthalmol. iv. 86 In the early stages [of papillœdema] there may be..full central visual acuity. 1974 Encycl. Brit. Macropædia VII. 104/1 A visual acuity of unity indicates a power of resolving detail subtending one minute of arc at the eye; a visual acuity of two indicates a resolution of one-half minute..of arc. < as lemmas |
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