Abnormality of the refraction of the eye, resulting in an inability to focus light precisely on the retina. Contrasted with emmetropia, n.
| 单词 | θ10101 | 
| 释义 | the world > health and disease > ill health > a disease > disorders of eye > disordered vision > 			[noun]		 > refraction disorder (1)		 ametropia1860 Abnormality of the refraction of the eye, resulting in an inability to focus light precisely on the retina. Contrasted with emmetropia, n.  | 
	
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