= hemianopsia, n.
| 单词 | θ10094 |
| 释义 | the world > health and disease > ill health > a disease > disorders of eye > disordered vision > [noun] > limited visual field (11) hemiopia1811 = hemianopsia, n. scotoma1821 Chiefly Medicine and Ophthalmology. Total or partial loss of vision in a localized part of the visual field; an area of the visual field in which… concentric contraction1858 (a) Physiology the type of muscular contraction that occurs when a muscle shortens against a load; an instance of this (cf. sense A. 2c); (b) Ophthalm… hemianopia1882 = hemianopsia, n. hemianopsia1883 Half-blindness, being a loss of perception of one half the field of vision. field defect1884 (a) Medicine loss of vision in a particular part of the visual field; more fully visual field defect (cf. hemianopsia, n., quadrantanopia, n.); (b)… quadrantanopia1909 Loss of vision involving one quarter of the visual field (in one or both eyes); an instance of this. Cf. hemianopia, n. quadrantanopsia1910 = quadrantanopia, n. macular sparing1940 retention of macular (central) vision with loss of peripheral vision, esp. in cases of homonymous hemianopsia; cf. macula-sparing adj. at macula, n.… tunnel vision1949 a condition in which there is a major loss of peripheral vision; also, one in which anything away from the centre of one's field of view escapes… Subcategories:— sector cut off (1) |
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