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| POROUS BIOGLASS KERATOPROSTHETIC SUPPORT | |
| 摘 要： | IntroductionPenetratingkeratoproSthesisconsistsofthecefitralopticalcylinderandtheperipheralsupport.ThesupportmusthavetWofunctionsf1.Supportthecentralopticalcylinder2.Fixitashcomealtissuepermanently.In1789PalllerdeQuengsyfirstproposedtheideaofkeratoprosthesis.II]Sincethen,scientistshavetriedmanyldndsofmaterialstodesignanddevelopkeratoproSthesis.Amongthem,PMMAisthoughttobethepopularopticalmaterialforcelltralcylinder.While,therearen'tanymateridsforthesupporttobesatisfieduptillnow.Somepeopl… |
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