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:
Mar. 20, 2018
Filed:
Feb. 19, 2015
Hoya Lens Thailand Ltd., Thanyaburi, Patumthani, TH;
Takashi Hatanaka, Tokyo, JP;
HOY A LENS THAILAND LTD., Thanyaburi, TH;
Abstract
An aligning prism amount determination device to determine an aligning prism amount for correcting fixation disparity of a spectacle wearer, having the fixation disparity, includes a determiner to determine an aligning prism amount to be uniformly included in the spectacle lens for correcting the fixation disparity, based on a first aligning prism amount obtained by measuring an aligning prism amount of the spectacle wearer at an eye examination distance corresponding to a first distance, a second aligning prism amount obtained by measurement at an eye examination distance corresponding to a second distance shorter than the first distance, and information used for allocation of the first aligning prism amount and the second aligning prism amount, within a prism prescription range between the first aligning prism amount and the second aligning prism amount.