| 单词 | visual field defect |
| 释义 | > as lemmasvisual field defect field defect n. Medicine (a) Medicine loss of vision in a particular part of the visual field; more fully visual field defect (cf. hemianopsia n., quadrantanopia n.); (b) Embryology a defect in an embryonic field (sense 15d), resulting in malformation. ΘΚΠ the world > health and disease > ill health > a disease > disorders of eye > disordered vision > [noun] > limited visual field hemiopia1811 scotoma1821 concentric contraction1858 hemianopia1882 hemianopsia1883 field defect1884 quadrantanopia1909 quadrantanopsia1910 macular sparing1940 tunnel vision1949 1884 Med. Times & Gaz. 5 Apr. 500/1 This form of visual field defect is to be distinguished from another in which there is limitation of the field in all meridians. 1981 Cleft Palate Jrnl. 18 188 (title) Congenital alar field defects: clinical and embryological observations. 2004 Jrnl. Pediatric Surg. 39 773/1 Malformation or maldevelopment of the region represents a developmental field defect frequently involving number of adjacent structures. 2007 T. P. Grosvenor Primary Care Optometry (ed. 5) vii. 128/1 In the early stages of open-angle glaucoma, the field defect may occur in the form of a vertical extension of the blind spot. < as lemmas |
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