Contact lenses bearing marks
AssigneeJohnson & Johnson Vision Care, Inc.
InventorsJongliang Wu, Khaled A. Chehab, Carl G. Crowe, Victor Lust, Richard J. Nason, Timothy R. Poling, Jon Scott Walker
Life of this patent
Estimating the term…
Abstract
This invention provides a contact lens comprising a front surface, a back surface, and an identifying mark, wherein said identifying mark comprises one or more holes depressed into at least one of said surfaces of said lens.
Claims24
A contact lens comprising a front surface, a back surface, and an identifying mark, wherein said identifying mark comprises one or more holes depressed into at least one of said surfaces of said lens, and at least one of said holes comprises a concave surface at the bottom of said hole, and the depth of said hole is 20 microns or greater.
A contact lens comprising a front surface, a back surface, and an identifying mark, wherein said identifying mark comprises one or more holes depressed into at least one of said surfaces of said lens, wherein the diameter or width of said at least one of said holes is greater than 100 microns, and the radius of curvature at the junction where the surface of said hole and the surface of said contact lens meet is greater than 10 microns.
A contact lens comprising a front surface, a back surface, and an identifying mark, wherein said identifying mark comprises a plurality of holes depressed into at least one of said surfaces of said lens, wherein said identifying mark comprises more than 10 holes per mm2 surface area of said identifying mark, and said holes are substantially circular from top view.
Dependencies are inferred from the claim text.