| 单词 | keratectasia | 
| 释义 | > as lemmaskeratecˈtasia   keratecˈtasia  n.  Brit. , U.S. , ΚΠ 1887    New Sydenham Soc. Lexicon  				Keratectasia. 1904    L. W. Fox Dis. Eye vi. 172  				Keratectasia. The term applied to the undue protrusion of an opaque cornea as the result of some inflammatory condition. 1918    J. H. Parsons Dis. Eye 		(ed. 3)	 xi. 198  				As the cicatrix becomes consolidated the bulging may disappear, or it may remain permanently as an ectatic cicatrix (keratectasia from ulcer). 1972    Biol. Abstr. 54 6213/2  				Differential diagnosis is discussed for keratoconus, keratectasia,..and corneal transplant marginal degeneration. < as lemmas | 
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