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公开(公告)号：US11449982B2
公开(公告)日：2022-09-20
申请号：US16792355
申请日：2020-02-17
摘要： A method of measuring the thickness of an ophthalmic lens includes forming an ophthalmic lens over a convexly curved surface of a forming optic, the ophthalmic lens including a light absorptive component, and with the ophthalmic lens remaining over the convexly curved surface of the forming optic, measuring the thickness of the ophthalmic lens using information about the light absorptive component of the ophthalmic lens and an intensity reference value associated with the forming optic. The method includes passing light having a wavelength through the ophthalmic lens and the forming optic, whereupon the light absorptive component of the ophthalmic lens absorbs some of the light passing through the ophthalmic lens. The light passing through the ophthalmic lens and the forming optic, which is not absorbed by the light absorptive component of the ophthalmic lens, is used to generate an image having pixel intensity data.
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公开(公告)号：US10607335B2
公开(公告)日：2020-03-31
申请号：US15627684
申请日：2017-06-20
发明人： Michael F. Widman , Peter W. Sites , Jasmin G. Laferriere , D. Scott Dewald , Bradley W. Walker
摘要： A method of measuring the thickness of an ophthalmic lens includes providing an ophthalmic lens having a light absorptive component, and passing light having a wavelength through the ophthalmic lens whereupon the light absorptive component absorbs some of the light as the light passes through the ophthalmic lens. After the light has passed through the ophthalmic lens, the light is used to generate a digital image for the ophthalmic lens that has pixel intensity data that corresponds to the shape of the ophthalmic lens. Information about the light prior to passing through the ophthalmic lens, the light absorptive component of the ophthalmic lens, and the pixel intensity data is used to calculate a thickness profile for the ophthalmic lens.
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3.发明申请公开(公告)号：US20180033131A1
公开(公告)日：2018-02-01
申请号：US15627684
申请日：2017-06-20
发明人： Michael F. Widman , Peter W. Sites , Jasmin G. Laferriere , D. Scott Dewald , Bradley W. Walker
CPC分类号： G06T7/001 , G01B11/06 , G06T2207/10152
摘要： A method of measuring the thickness of an ophthalmic lens includes providing an ophthalmic lens having a light absorptive component, and passing light having a wavelength through the ophthalmic lens whereupon the light absorptive component absorbs some of the light as the light passes through the ophthalmic lens. After the light has passed through the ophthalmic lens, the light is used to generate a digital image for the ophthalmic lens that has pixel intensity data that corresponds to the shape of the ophthalmic lens. Information about the light prior to passing through the ophthalmic lens, the light absorptive component of the ophthalmic lens, and the pixel intensity data is used to calculate a thickness profile for the ophthalmic lens.
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4.发明申请公开(公告)号：US20200184621A1
公开(公告)日：2020-06-11
申请号：US16792355
申请日：2020-02-17
摘要： A method of measuring the thickness of an ophthalmic lens includes forming an ophthalmic lens over a convexly curved surface of a forming optic, the ophthalmic lens including a light absorptive component, and with the ophthalmic lens remaining over the convexly curved surface of the forming optic, measuring the thickness of the ophthalmic lens using information about the light absorptive component of the ophthalmic lens and an intensity reference value associated with the forming optic. The method includes passing light having a wavelength through the ophthalmic lens and the forming optic, whereupon the light absorptive component of the ophthalmic lens absorbs some of the light passing through the ophthalmic lens. The light passing through the ophthalmic lens and the forming optic, which is not absorbed by the light absorptive component of the ophthalmic lens, is used to generate an image having pixel intensity data.
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