Multifocal contact lens pairs
AssigneeJohnson & Johnson Vision Care, Inc.
InventorsJeffrey H. Roffman, Scott C. Durland, Timothy R. Poling
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Abstract
The invention provides a progressive multifocal ophthalmic lens pair in which the dominant eye lens incorporates more distance vision correction than does the lens for the non-dominant eye.
Claims6
A contact lens pair, comprising a first lens having a first optic zone comprising a first progressive addition power zone having a first power profile and a second lens having a second optic zone comprising a second progressive addition power zone having a second power profile, wherein the first and second power profiles are different and wherein the first and second progressive addition power zones comprise a center of near vision power that progresses to distance vision power at the progressive addition zones' peripheries.
A method for designing contact lenses, comprising the step of providing a contact lens pair comprising a first lens having a first optic zone comprising a first progressive addition power zone having a first power profile and a second lens having a second optic zone comprising a second progressive addition power zone having a second power profile, wherein the first and second power profiles are different and wherein the first and second progressive addition power zones comprise a center of near vision power that progresses to distance vision power at the progressive addition zones' peripheries.
Dependencies are inferred from the claim text.