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.

Date of Patent:
Jan. 02, 2024

Filed:

Apr. 27, 2021
Applicant:

Johnson & Johnson Vision Care, Inc., Jacksonville, FL (US);

Inventors:

Zhenyu Li, Washington, DC (US);

Bailin Liang, Jacksonville, FL (US);

Assignee:

Johnson & Johnson Vision Care, Inc., Jacksonville, FL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 7/00 (2017.01); G01N 21/88 (2006.01); G01N 21/958 (2006.01);
U.S. Cl.
CPC ...
G06T 7/001 (2013.01); G01N 21/8851 (2013.01); G01N 21/958 (2013.01); G01N 2021/9583 (2013.01); G06T 2207/10056 (2013.01);
Abstract

Disclosed herein are methods for quantifying contact lens deposition. An example method may comprise disposing a contact lens sample in a fluid well. The example method may comprise disposing a volume of tear fluid in the well with the contact lens sample. The example method may comprise capturing pre-rinse images of the contact lens sample. The example method may comprise rinsing the contact lens sample. The example method may comprise capturing post-rinse images of the contact lens after the rinsing. The example method may comprise determining, using one or more of the tear images or the post-rinse images, a deposition metric. The example method may comprise outputting the deposition metric.


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