Method for calculating a spectacle lens having a variable position of the reference points
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United States of America Patent
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Nov 6, 2012
Grant Date -
Jun 24, 2010
app pub date -
Jan 25, 2008
filing date -
Jan 25, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for producing a progressive spectacle lens and to a corresponding apparatus, a computer program product, a storage medium and to the use of a progressive spectacle lens. The invention also relates to a method for producing a progressive spectacle lens for correcting defective vision of a spectacle wearer, comprising the following steps: the vertical and/or the horizontal spatial position of a distance reference point and/or a near reference point is specified or determined in accordance with individual data of the spectacle wearer; the spectacle lens is optimized or calculated such that the required dioptric effect of the spectacle lens is obtained in the individually determined distance reference point and/or the near reference point.
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