Spectacle lens and spectacles
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United States of America Patent
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-
Nov 4, 2008
Grant Date -
Dec 7, 2006
app pub date -
May 30, 2006
filing date -
May 31, 2005
priority date (Note) -
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Abstract
A spectacle lens having an aspherical surface on its one of front and back surfaces is provided. An outward normal line normal to the front surface at a centration point inclines with respect to an axis passing through the centration point and a center of rotation of an eye. A cross section of the aspherical surface defined by a plane including the outward normal line and the axis is asymmetrical.
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