October 4, 2024 Michael Rowe Chief Executive Officer Eyenovia, Inc. 295 Madison Avenue, Suite 2400 New York, New York 10017 Re: Eyenovia, Inc. Registration Statement on Form S-3 Filed October 1, 2024 File No. 333-282458 Dear Michael Rowe: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Joshua Gorsky at 202-551-7836 with any questions. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Julie M. Plyler