- 1、Effectofprogressivemulti-focalspectaclesonphoriadegreeintheteenagernearsighted2、ConclusionWearingprogressivemulti-focalspectacleswillnotincreasethephoriadegreeintheteenagernearsighted.3、AimTostudytheeffectofwearingprogressivemulti-focalspectacle...
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