GEOMETRIC VOLUME CONTROL CORNEAL REFRACTIVE THERAPY CONTACT LENS

    公开(公告)号:US20240210733A1

    公开(公告)日:2024-06-27

    申请号:US18600085

    申请日:2024-03-08

    IPC分类号: G02C7/04 A61F9/013

    CPC分类号: G02C7/047 A61F9/013

    摘要: A contact lens for treating myopia of an eye of a patient comprises an anterior surface; and a posterior surface having a semi-meridian defining: a central compression zone to contact the pretreatment cornea, a volume control zone peripheral to the central compression zone, a secondary compression zone to contact the pretreatment cornea, wherein the secondary compression zone is peripheral to the volume control zone, a peripheral relief zone peripheral to the secondary compression zone, a landing zone to contact the pretreatment cornea, wherein the landing zone is peripheral to the peripheral relief zone, and an edge terminus peripheral to the landing zone.