High plus treatment zone lens design for preventing and/or slowing myopia progression

US9638936B2 · kind B2 · utility

Assignee

• Johnson & Johnson Vision Care, Inc. · US

Inventors

• Noel A. Brennan · Ponte Vedra, US
• Khaled Chehab · Jacksonville, US
• Xu Cheng · Woodlawn, US
• Michael J. Collins · Mount Nebo, AU
• Manwai Charis Lau · Jacksonville, US
• Eric R. Ritchey · Pearland, US
• Xin Wei · Jacksonville, US

Key dates

• Filing date: Aug 20, 2014
• Grant date: May 2, 2017
• Expiry date: Oct 17, 2034

Classification

• Technology area (CPC G): Physics
• CPC primary: G02C2202/24
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

Contact lenses incorporate high plus or add power profiles that at least one of slow, retard or preventing myopia progression and minimize halo effect. The lens includes a center zone with a negative power for myopic vision correction; and at least one treatment zone surrounding the center zone, the at least one treatment zone having a power profile that increases from an outer margin of the center zone to a positive power within the at least one treatment zone of greater than +5.00 D.