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Multifocal contact lens and method of manufacture thereof

  • US 20050128432A1
  • Filed: 12/16/2003
  • Published: 06/16/2005
  • Est. Priority Date: 12/16/2003
  • Status: Active Grant
First Claim
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1. An optical zone for a lens, said optical zone having a center optical axis, said optical zone comprising:

  • a first region formed within said optical zone and having a first optical curve, said first optical curve having a first optical axis collinear with said center optical axis; and

    a plurality of secondary regions formed within said first region, each of said secondary regions having respective secondary optical curves, each of said secondary optical curves having a corresponding secondary optical axis, each said secondary optical axis being collinear with said first optical axis, each of said secondary optical curves being decentered relative to said first optical curve.

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