hemianopia Ophthalm.
(ˌhɛmɪəˈnəʊpɪə)
[mod.L., f. hemi- + Gr. ἀν priv. + -ωπία sight.]
= hemianopsia. Hence hemiaˈnopic a., of, pertaining to, or characterized by hemianopia; also as n., a person with hemianopia.
| 1882 Ophthalmic Rev. I. 253 The more exactly the cause of a homonymous hemianopia can be localised in the cortex of one occipital lobe, the more improbable becomes the theory of Charcot and Landolt. 1889 G. A. Berry Dis. Eye xi. 340 Hemianopia may be to the right or left, and partial or complete. Ibid. 341 Ferrier's experiments, which led him to localise the visual centres in the angular gyri, have given rise to the hemianopic symptoms. 1891 F. Taylor Man. Pract. Med. (ed. 2) 161 A transient hemianopia may occur in cerebral hæmorrhage. 1898 Nature 13 Jan. 255/1 Hallucinations connected with hemianopia. 1908 Practitioner Oct. 558 Hysterical hemianopia. 1943 Mind LII. 363 This seems ruled out by the experiments of Gelb and Goldstein on hemianopics, who saw a field of vision of the normal shape, though the receptive area had been severely damaged. 1964 S. Duke-Elder Parsons' Dis. Eye (ed. 14) iv. 37 A lesion in the optic tract will produce a hemianopic reaction involving both eyes. 1966 D. G. Cogan Neurol. Visual Syst. xiv. 265 The most common complaint of patients with hemianopia, aside from collision with objects on the blind side, is the difficulty with reading. |