Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Akira Shimojo0
Date of Patent
October 26, 2010
0Patent Application Number
119214470
Date Filed
May 31, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
To provide an ocular lens capable of securing a stable image in a distance portion and a near portion, and suppressing a generation of blurring or ghosting of the image. A progressive multifocal far and near contact lens is provided, having a distance portion for aiding a far vision, a near portion for aiding a near vision, and an intermediate portion in which power is progressively changed between the distance portion and the near portion, and a power distribution of a lens optical region along a direction of a vertical axis N of the lens optical region is set according to a predetermined function.
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