The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 05, 2022
Filed:
May. 18, 2020
Applicant:
Jung Hoon Lee, Daegu, KR;
Inventor:
Jung Hoon Lee, Daegu, KR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/04 (2006.01);
U.S. Cl.
CPC ...
G02C 7/047 (2013.01); G02C 7/048 (2013.01); G02C 7/049 (2013.01);
Abstract
Provided is an orthokerato lens including a central portion located on a center of a lens and configured to change a refractive index by pressurizing a cornea, a fitting portion configured to form a negative pressure between the lens and the cornea to pile epithelial cells moved from the central portion, a fixing portion configured to be in contact with an eyeball and align the lens such that the center of the lens is located at a center of the cornea, a peripheral portion configured to allow tears between the lens and the eyeball to circulate, and a circulation hole configured to penetrate the central portion.