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:
Aug. 05, 2025
Filed:
Jun. 01, 2022
Brighten Optix Corp., Taipei, TW;
BRIGHTEN OPTIX CORP., Taipei, TW;
Abstract
Orthokeratology lens that uses aspheric E value to control tear height to sloe down the growth rate of the eyeball. The lens includes treat treatment zone through which light passes to image at retina of eyeball and positioning zone of non-visual area outside treatment zone. The treatment zone includes base curve and reverse curve formed on outside of base curve. The positioning zone includes alignment curve and peripheral curve located outside alignment curve. Center point is formed in center of base curve, junction of base curve and reverse curve forms first point of intersection, junction of reverse curve and alignment curve forms second point of intersection, and junction of alignment curve and peripheral curve forms third point of intersection. Linear distance between center point and cornea of preset eyeball is between 9 μm and 21 μm. Linear distance between first point of intersection and cornea of preset eyeball is between 89 μm and 189 μm.