POWER OF ATTORNEY

     Know all by these presents, that the undersigned hereby constitutes and
appoints Vicente Anido, Jr., Richard J. Rubino, and John LaRocca, and each of
them, with full power of substitution, the undersigned's true and lawful
attorneys-in-fact to:

     (1)	execute for and on behalf of the undersigned, in the undersigned's
capacity as executive officer and/or director of Aerie Pharmaceuticals, Inc.
(the "Company"), any forms required to be filed by the undersigned pursuant to
Rule 144 under the Securities Act of 1933, as amended (the "Securities Act"), or
Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange
Act of 1934, as amended (the "Exchange Act"), and the rules thereunder, and any
other forms or reports the undersigned may be required to file in connection
with the undersigned's ownership, acquisition, or disposition of securities of
the Company;

     (2)	do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such forms
required to be filed by the undersigned pursuant to Rule 144 under the
Securities Act or any such Form 3, 4, or 5, or other form or report, including,
without limitation, all forms or reports necessary to obtain EDGAR
Identification Numbers, and timely file such form or report with the United
States Securities and Exchange Commission and any stock exchange or similar
authority; and

     (3)	take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of any such attorney-in-fact, may be of benefit
to, in the best interests of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.

     The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this Power of Attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, are not assuming any
of the undersigned's responsibilities to comply with either Rule 144 under the
Securities Act or Section 16 of the Exchange Act.

     This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file any forms required to be filed by the
undersigned pursuant to Rule 144 under the Securities Act or Forms 3, 4, and 5
with respect to the undersigned's holdings of and transactions in securities
issued by the Company, unless earlier revoked by the undersigned in a signed
writing delivered to the foregoing attorneys-in-fact.

     IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 12th day of September, 2018.

                                                  /s/ David Gryska
                                                  David Gryska