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Title:
ORTHOKERATOLOGY LENS AND METHOD FOR MANUFACTURE THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/109862
Kind Code:
A3
Abstract:
An orthokeratology lens, comprising an inner surface (IS) which faces the cornea when worn and an outer surface (OS) opposite to said inner surface. The inner surface comprises a base curve zone (BC, 100, 100', 100'', 100''') used to press against the forward surface of the cornea and to shape said forward corneal surface to a shape consistent with that of the base curve zone, said base curve zone comprising two or more areas (A, B, C, D: 1001, 1002, 1003, 1004, 1005; 100'1, 100'2, 100'3, 100'4, 100'5; 100''1, 100''2, 100''3, 100''4, 100''5; 100'''1, 100'''2, 100'''3, 100'''4 and 100'''5; 110, 120, 130;), at least two of which said two or more areas having different radii of curvature. The present disclosure also relates to a method for the manufacture of an orthokeratology lens.

Inventors:
WANG, Zhao (1/F Building 6, 37 Chaoqian Road Changping District, Beijing 0, 102200, CN)
XIE, Jiangbing (1/F Building 6, 37 Chaoqian Road Changping District, Beijing 0, 102200, CN)
Application Number:
CN2018/118438
Publication Date:
August 01, 2019
Filing Date:
November 30, 2018
Export Citation:
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Assignee:
EYEBRIGHT MEDICAL TECHNOLOGY (BEIJING) CO., LTD. (1/F Building 6, 37 Chaoqian Road Changping District, Beijing 0, 102200, CN)
International Classes:
G02C7/04
Foreign References:
CN1672085A2005-09-21
CN102472899A2012-05-23
CN106932920A2017-07-07
CN102047172B2012-10-03
CN108008544A2018-05-08
CN208092366U2018-11-13
CN107728338A2018-02-23
US20090237612A12009-09-24
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (22/F, Great Eagle Centre23 Harbour Road,Wanchai, Hong Kong, Kong, CN)
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