EyePoint Pharmaceuticals (EYPT) SC 13D EyePoint Pharmaceuticals, Inc.

Exhibit 1

JOINT FILING AGREEMENT

Each of the undersigned agrees that (i) the statement on Schedule 13D relating to the Common Stock of EyePoint Pharmaceuticals, Inc., has been adopted and filed on behalf of each of them, (ii) all future amendments to such statement on Schedule 13D will, unless written notice to the contrary is delivered as described below, be jointly filed on behalf of each of them, and (iii) the provisions of Rule13d-1(k)(1) under the Securities Exchange Act of 1934 apply to each of them. This agreement may be terminated with respect to the obligations to jointly file future amendments to such statement on Schedule 13D as to any of the undersigned upon such person giving written notice thereof to each of the other persons signature hereto, at the principal office thereof.

This Agreement may be executed in any number of counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.

Date: April 9, 2018

EW HEALTHCARE PARTNERS L.P.		INDIVIDUALS:
By:	Essex Woodlands FundIX-GP, L.P.,
	Its General Partner
By:	Essex Woodlands IX, LLC,	/s/ Martin P. Sutter
	Its General Partner	Name:	Martin P. Sutter
By:	/s/ Ronald W. Eastman	/s/ R. Scott Barry
	Name: Ronald W. Eastman	Name:	R. Scott Barry
	Title: Manager
EW HEALTHCAREPARTNERS-A L.P.		/s/ Ronald W. Eastman
		Name:	Ronald W. Eastman
By:	Essex Woodlands FundIX-GP, L.P.,
	Its General Partner
By:	Essex Woodlands IX, LLC,	/s/ Petri Vainio
	Its General Partner	Name:	Petri Vainio
By:	/s/ Ronald W. Eastman
	Name: Ronald W. Eastman	/s/ Steve Wiggins
	Title: Manager	Name:	Steve Wiggins
ESSEX WOODLANDSFUND IX-GP, L.P.
By:	Essex Woodlands IX, LLC,
	Its General Partner
By:	/s/ Ronald W. Eastman
	Name: Ronald W. Eastman
	Title: Manager

ESSEX WOODLANDS IX, LLC
/s/ Ronald W. Eastman
Name:	Ronald W. Eastman
Title:	Manager