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:
Nov. 12, 2024

Filed:

Oct. 12, 2021
Applicant:

Khalifa University of Science and Technology, Abu Dhabi, AE;

Inventors:

Haider Butt, Abu Dhabi, AE;

Fahad Alam, Abu Dhabi, AE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02C 7/04 (2006.01); B29D 11/00 (2006.01); B33Y 80/00 (2015.01); G02B 1/12 (2006.01);
U.S. Cl.
CPC ...
G02C 7/049 (2013.01); B29D 11/00442 (2013.01); B29D 11/00923 (2013.01); B33Y 80/00 (2014.12); G02B 1/12 (2013.01);
Abstract

A method of forming an ophthalmic contact lens using an additive manufacturing apparatus is presented herein. The method providing a first solution comprising HEMA, PEGDA, and a photoinitiator, forming a support structure on a planar print bed of the additive manufacturing apparatus by depositing a first plurality of layers of the first solution and curing the first plurality of layers, and forming an ophthalmic contact lens on the support structure by depositing a second plurality of layers of the first solution and curing the second plurality of layers. The second plurality of layers are arranged such that a disc of the ophthalmic contact lens is oriented generally perpendicular to the planar print bed of the additive manufacturing apparatus.


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