| 单词 |
presbyope |
| 释义 |
presbyope|ˈprɛsbɪəʊp, ˈprɛz-|
[f. as next + Gr. -ωπος seeing.]
A person affected with presbyopia.
1857in Dunglison. 1880L. Owen tr. Giraud-Teulon's Elem. Treat. Function of Vision ii. ii. 30 The presbyope presents himself generally under the following aspect: he has always enjoyed excellent distant vision... But he is drawing near to forty-five or fifty and begins to experience a certain difficulty in reading small type. 1900C. H. May Man. Dis. Eye xxiv. 332 The presbyope is compelled to hold reading, writing, sewing, and other forms of near work farther away than the usual distance, making such efforts uncomfortable. 1937Jrnl. Optical Soc. Amer. XXVII. 332/1 Presbyopes should invariably wear their reading correction (reading spectacles). 1974Nature 25 Oct. 729/2 It is known that convergence can bring about accommodation; and it seems likely that in a presbyope, devoid of accommodative ability, convergence would still be accompanied by a central command for accommodation. |
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单词 presbyopia 释义 ‖ presbyopia|prs-, przbp|Rarely in anglicized form presbyopy.[mod.L.......