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专利名称：A spectacle with lens and prisms发明人：SHUXIANG XU,XIAOGANG XU申请号：AU4535500申请日：20000522公开号：AU773051B2公开日：20040513
摘要：A pair of glasses for sustained close distance work includes a pair of integratedconvex lens and stepped prism based-in. The thickness and weight of the lens will bereduced because it is made of optical resin and the prism is step shaped. The glasses canturn the near object light into the far object light, so that the eyestrain caused bysustained near work will be significantly reduced and the primary postnatal environmentfactor leading to myopia will be thoroughly eliminated
申请人：SHUXIANG XU,XIAOGANG XU
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