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    • 2. 发明申请
    • Double progressive spectacle lens
    • 双渐进眼镜镜片
    • US20060007392A1
    • 2006-01-12
    • US11128302
    • 2005-05-13
    • Gregor EsserWalter HaimerlEdda WehnerAndrea WelkHelmut AltheimerMartin Zimmerman
    • Gregor EsserWalter HaimerlEdda WehnerAndrea WelkHelmut AltheimerMartin Zimmerman
    • G02C7/06
    • G02C7/068G02C7/061
    • A double-progressive spectacle lens in which the progressive action is distributed over the front and rear surfaces of the double-progressive spectacle lenses and described by the quotient Q Q=Addvfl/AddGesamt where Addvfl represents the increase in the surface dioptric power along the principal line on the front surface between the distance area and the near area, and ADDGesamt represents the increase in the total dioptric power along the principal line between the distance area and the near area, and the fraction Q increases with growing distance area effect F: ⅆ Q ⁡ ( F ) ⅆ F ⩾ 0.
    • 双渐进式眼镜镜片,其中逐行动作分布在双渐进式眼镜镜片的前表面和后表面上,并由商Q <β线内公式描述=“在线公式”结束=“ 引用“?> Q =添加 /添加 <?in-line-formula description =”In-line Formulas“end =”tail“?> SUB> vfl 表示沿着距离区域和近区域之间的前表面上的主线的表面屈光度的增加,并且ADD Gesamt 表示总屈光力的增加 沿着距离区域和近区域之间的主线,分数Q随着距离区域效应的增加而增加F: F 0