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公开(公告)号：US20210190630A1
公开(公告)日：2021-06-24
申请号：US17122071
申请日：2020-12-15
Applicant: Alcon Inc.
Inventor： David Andrew Icenogle , Yeming Gu , Yan Wang
Abstract: A cuvette with at least one side having materials with thermal conductivity of at least 5 W/m-K, such as sapphire, for holding contact lenses or intra-ocular lenses during optical measurements. The cuvette may further include a backstop to ensure consistent measurements and a pedestal to minimize optical measurement variations.
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公开(公告)号：US20250003731A1
公开(公告)日：2025-01-02
申请号：US18756400
申请日：2024-06-27
Applicant: Alcon Inc.
Inventor： Yeming Gu , Yan Wang , Seyedhadi Hosseini
IPC: G01B9/02091 , G01B11/24 , G02C7/02
Abstract: A method for quantitively evaluating contact lens edge lift and distortion. The method includes the steps of scanning an edge of a contact lens, modeling the edge profile, determining a best-fit line over the modeled edge profile, calculating the slope of the best-fit line at a contact lens edge point, and further calculating a slope edge angle (ESA) as a function of the slope, wherein the ESA is a highly effective metric for capturing the contact lens edge-lift relative to the intended shape of the lens. The method may be used to provide design feedback, predict clinical fitting outcomes, and for quality control purposes.
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公开(公告)号：US11585723B2
公开(公告)日：2023-02-21
申请号：US17122071
申请日：2020-12-15
Applicant: Alcon Inc.
Inventor： David Andrew Icenogle , Yeming Gu , Yan Wang
Abstract: A cuvette with at least one side having materials with thermal conductivity of at least 5 W/m-K, such as sapphire, for holding contact lenses or intra-ocular lenses during optical measurements. The cuvette may further include a backstop to ensure consistent measurements and a pedestal to minimize optical measurement variations.
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