发明名称 Glass multifocal ophthalmic lens with polarizing element and method of making
摘要 The present invention includes a glass multifocal light polarizing ophthalmic lens having a glass multifocal lens portion with a multifocal element fused to a convex outer surface of the multifocal lens portion, a single vision lens portion opposing the multifocal lens portion and a polarizing film sandwiched between the multifocal lens portion and the single vision lens portion. The present invention also includes a method for making the glass multifocal light polarizing ophthalmic lens.
申请公布号 US5351100(A) 申请公布日期 1994.09.27
申请号 US19920987737 申请日期 1992.12.09
申请人 BMC INDUSTRIES, INC. 发明人 SCHWENZFEIER, RAY D.;HANSON, DONALD W.
分类号 G02C7/06;G02C7/12;(IPC1-7):G02C7/06 主分类号 G02C7/06
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