As filed with the Securities and Exchange Commission on May 12, 2023 Registration No. 333-271699 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Kiora Pharmaceuticals, Inc. (Exact name of registrant as specified in its Charter) Delaware 2834 98-0443284 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification ...