| 单词 | nuclear cataract |
| 释义 | > as lemmasnuclear cataract nuclear cataract n. Medicine cataract formation affecting the nucleus (central core) of the lens; an instance of this. ΘΚΠ the world > health and disease > ill health > a disease > disorders of eye > [noun] > cataract pearla1382 suffusion1398 cataract1547 tay1547 eye-pearl1597 eye-web1657 hypophysis1706 pearl eye1844 gutta opaca1847 nuclear cataract1876 1876 T. Bryant Pract. Surg. (ed. 2) I. viii. 355 Nuclear cataract..is characterised by the presence of a hard yellowish central portion or nucleus of varying size and density. 1976 Ophthalmic Surg. 7 65 Other problems unique to surgery in these eyes are the missed diagnosis of nuclear cataract. 1989 J. A. B. Collier & J. M. Longmore Oxf. Handbk. Clin. Specialties (ed. 2) vi. 504 Nuclear cataracts change the refractive index of the lens and are common in old age. < as lemmas |
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