Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement No. 333-270263 on Form S-3 of our report dated March 3, 2023 relating to the financial statements of Kala Pharmaceuticals, Inc., appearing in the Annual Report on Form 10-K of Kala Pharmaceuticals, Inc. for the year ended December 31, 2022. We also consent to the reference to us under the heading "Experts" in such Registration Statement.
/s/ Deloitte & Touche LLP
Boston, Massachusetts
May 9, 2023