| 单词 | astigmia |
| 释义 | Astigmia nnoun.state(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people Topic:ophthalmology Synset:astigmatism Derivationally Related Form:astigmatic Hypernyms:ametropia Inherited Hypernyms:astigmatismametropiavisual impairmentdisabilityunfitnessill healthpathological statephysical conditionconditionstateattributeabstractionentity Direct Hyponyms:keratectasiakeratoconus Full Hyponyms: keratectasiakeratoconus nnoun.state(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point Topic:optics Synset:astigmatism Antonyms:stigmatism Derivationally Related Form:astigmatic Hypernyms:condition status Inherited Hypernyms:astigmatismconditionstateattributeabstractionentity |
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