释义 |
Seidel1 Ophthalm.|ˈzaɪd(ə)l| [The name of Erich Seidel (1882–1946), German ophthalmologist, who described the sign (see below) in 1914 (Archiv f. Ophthalm. LXXXVIII. 102).] Used in the possessive, as Seidel's sign, the occurrence of one or two hooked scotomata extending from the blind spot.
1918R. H. Elliot Glaucoma iv. 220 Should the condition of increased intra-ocular pressure continue, Seidel's sign will pass on into Bjerrum's sign. 1932Optician LXXXIII. 398/1 With 2/1,000 white definite Seidel's signs were evident as horns extending about 13/4 in. both above and below the projected blind-spot. 1964S. Duke-Elder Parsons' Dis. Eye (ed. 14) xxi. 305 Occasionally there is a sickle-shaped extension of the blind-spot above or below, or both, with the concavity of the sickle directed towards the fixation point (Seidel's sign); this is of more doubtful significance [as a symptom of glaucoma]. |