| 释义 |
metamorphopsia
Thesaurus| Noun | 1. |  metamorphopsia - a defect of vision in which objects appear to be distorted; usually due to a defect in the retinavision defect, visual defect, visual disorder, visual impairment - impairment of the sense of sight |
EncyclopediaSeemacular degenerationmetamorphopsia
metamorphopsia [met″ah-mor-fop´se-ah] defective vision, with distortion of the shape of objects seen.met·a·mor·phop·si·a (met'ă-mōr-fop'sē-ă), Distortion of visual images. [meta- + G. morphē, shape, + opsis, vision] met·a·mor·phop·si·a (met'ă-mōr-fop'sē-ă) Distortion of visual images. [meta- + G. morphē, shape, + opsis, vision]metamorphopsia Distortion or breakup of the perceived visual image either as a result of disruption of the normal relationship of the cones in the central part of the RETINA or as a result of brain damage or malfunction or the effects of HALLUCINOGENIC drugs.metamorphopsiaAn anomaly of visual perception in which objects appear distorted in shape or of different size or in a different location than the actual object. It may be due to a displacement of the visual receptors as a result of inflammation, tumour or retinal detachment, it can be of central origin (e.g. migraine, drug intoxication, neurosis or brain injury), or it can be induced by recently prescribed myopic correction (e.g. micropsia) or presbyopic correction (e.g. macropsia), etc. Metamorphopsia can be detected with an Amsler chart. See spasm of accommodation; dysmegalopsia; macular hole; pelopsia; teleopsia.metamorphopsia
Words related to metamorphopsianoun a defect of vision in which objects appear to be distortedRelated Words- vision defect
- visual defect
- visual disorder
- visual impairment
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