Exhibit 24
POWER OF ATTORNEY

	Know all by these presents, that the undersigned hereby
constitutes and appoints John Mercer, signing singly, and with full
power of substitution, the undersigned's true and lawful attorney-in-
fact to:

	(1)	execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer and/or a director of EyePoint
Pharmaceuticals, Inc., a Delaware corporation (the "Company"),
Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities
Exchange Act of 1934 and the rules thereunder;

	(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 Form 3, 4, or 5 and timely file such form 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 such attorney-
in-fact, may be of benefit to, and in the best interest of, or
legally required by, the undersigned.

	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, nor is the Company
assuming, any of the undersigned's responsibilities to comply with
Section 16 of the Securities Exchange Act of 1934.

	This Power of Attorney shall remain in full force and
effect until the undersigned is no longer required to file 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 25th day of January, 2019.


					/s/ David R. Guyer
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					Signature

					    David R. Guyer
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	 				Print Name