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单词 field defect
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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.
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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.
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