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:
Sep. 17, 2024
Filed:
Nov. 20, 2018
Applicant:
Essilor International, Charenton-le-pont, FR;
Inventors:
Julien Velghe, Charenton-le-pont, FR;
Vincent Tejedor Del Rio, Charenton-le-pont, FR;
Assignee:
Essilor International, Charenton-le-Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 3/028 (2006.01); A61B 3/00 (2006.01);
U.S. Cl.
CPC ...
A61B 3/0285 (2013.01); A61B 3/0008 (2013.01); A61B 3/0075 (2013.01);
Abstract
Disclosed is a device for placing a phoropter head in a horizontal position in order to optimize the measurement of the visual acuity of a patient, and to a method for placing a phoropter head in a horizontal position. The device and method help performing a correct measurement of a patient's visual acuity by allowing the fine adjustment of the phoropter head horizontality and alerting when its position is not correct.