Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
Aldeyra Therapeutics, Inc.
Lexington, Massachusetts
We hereby consent to the incorporation by reference in the Prospectus constituting a part of this Registration Statement on FormS-8 of our reports dated March 12, 2020, relating to the consolidated financial statements and the effectiveness of Aldeyra Therapeutics, Inc.’s internal control over financial reporting, appearing in the Company’s Annual Report on Form10-K for the year ended December 31, 2019.
/s/ BDO USA, LLP
Boston, Massachusetts
March 12, 2020