Nashua Eye Associates

All Laser LASIK

Crystalens for Cataracts

The Crystalens is a cataract implant that is accommodative. This unique feature provides after-cataract patients with clear distance vision without glasses, as well as a range of near vision without reading glasses.The implant best approximates the visual acuity and funtion of the young eye.

Patient Education

The doctors at Nashua Eye Associates believe that patients who play an active role in their eye health care have the best outcomes. A well informed patient is best able to participate in their care; and Nashua Eye provides the tools for clear and comprehensive patient education. From nearsightedness (myopia) to farsightedness (hyperopia), from cataracts to macular degeneration, please make use of our patient education center.
What's new in Laser Vision Correction? Are you a LASIK candidate? Are you looking for dry eye treatment? Want HD Glasses? Financing Options Wear Contacts?
  • Come visit The Nashua Optical Company to learn about Transitions Vantage lenses.
  • Interested in Lasik? Join us at the next Lasik Seminar on MondayMarch 7th at 6:00PM Nashua location.
  • Nashua Eye introduces a new dry eye treatment. Lipiflow. Call for details.


Nashua Eye Associates Meet The Doctors


Charles E. Wingate, Jr., MD

Charles E. Wingate, Jr., M.D. Education: Baylor University, 1964
Medical School: University of Texas, Medical Branch, 1968
Internship: Harrisburg Polyclinic Hospital, 1969
U.S. Army: 1969-1971
Residency In Ophthalmology: Medical College of Virginia, 1974
Practice of Ophthalmology: 1974 to present
American Board Certified: 1976




John J. Dagianis, MD

John J. Dagianis, M.D. Education: Dartmouth College, 1972
Medical School: University of Cincinnati College of Medicine, 1976
Internship: Albany Medical Center, 1977
Residency In Ophthalmology: Wills Eye Hospital of Thomas Jefferson University, 1980
Practice of Ophthalmology: 1980 to present
American Board Certified: 1981





Patrick J. Riddle, MD

Patrick J. Riddle, M.D. Education: Creighton University, 1967
Medical School: Creighton Medical School, 1971
Internship: Letterman General Hospital, 1972
U.S. Air Force: 1971-1974
Residency In Ophthalmology: Medical College of Wisconsin, 1977

  • University of Florida, Cornea and External Disease
  • Louisiana State University, Cornea and External Disease
  • Armed Forces Institute of Pathology, Ophthalmic Pathology
  • Vitreo-Retinal Research Foundation, Vitreo-Retinal Disease

Practice of Ophthalmology: 1977 to present
American Board Certified: 1978


Timothy D. Blake, MD

Timothy D. Blake , M.D.

Education: Yale University, 1996
Medical School: Loyola University, 2000
Internship: Resurrection Hospital, 2001
Residency in Ophthalmology: Temple University Hospital, 2004
Fellowships: Wilmer Eye Institute Johns Hopkins Hospital, Cornea, Cataract and Refractive Surgery, 2005
Practice of Ophthalmology: 2005 to present
American Board Certified: 2007




Sonalee Desai-Bartoli, M.D., M.P.H.

Sonalee Desai-Bartoli, M.D. Education: Northwestern University, Emory University
Medical School: University of Illinois
Internship: Tufts University
Residency in Ophthalmology: Albert Einstein College of Medicine/Yeshiva University
Fellowship: New England Medical Center and Ophthalmic Consultants of Boston in glaucoma
Practice of Ophthalmology: 2006
American Board Certified: 2010




Katrinka L. Heher, MD

Katrinka L. Heher, M.D. Education: Harvard University, 1985
Medical School: University of Virginia School of Medicine, 1989
Internship: Veterans' Administration Medical Center, Boston, MA 1990
Residency in Ophthalmology: Wilmer Eye Institute, John Hopkins Hospital 1993
Fellowships: University of Pennsylvania, Oculoplastic Surgery, Neuro-Ophthalmology: Children’s Hospital of Pennsylvania, Pediatric Ophthalmology
Practice of Ophthalmology: 1994 to present
American Board Certified: 1995




Jeffrey L. Marx, MD

Jeffrey L. Marx, M.D. Education: Cornell University 1982-86
Medical School: SUNY at Stony Brook 1986-90
Internship: Winthrop-University Hospital 1990-1991
Residency in Ophthalmology: University of Illinois Eye and Ear Infirmary 1991-1994
Fellowship of Ophthalmology: Vitreoretinal Surgery University of Southern California, Doheny Eye Institute 1994-1996
Practice of Ophthalmology: 1996
American Board Certified: 1996, recertified: 2006




Fina C. Barouch, MD

Fina C. Barouch, M.D. Education: Yale University, 1995
Medical School: Harvard Medical School, 2000
Internship: Massachusetts General General Hospital, 2000-2001
Residence in Ophthalmology: Harvard Medical School and Massachusetts Eye and Ear Infirmary 2001-2004
Fellowships: Vitreoretinal Surgery, Massachusetts Eye and Ear Infirmary 2005-2007
American Board Certified: 2005



Vicki M. Chen

Vicki M. Chen, M.D. Education: Boston University, 1998
Medical School: Boston University School of Medicine, 2002
Internship: Cabrini Medical Center, 2003
Residence in Ophthalmology: Mount Sinai School of Medicine, New York, NY
Fellowships: Children's Hospital Boston 2006
Practice of Ophthalmology: 2008-Present
American Board Certified: 2008



F. Karl Engelhart, III, OD

F. Karl Engelhart, III, O.D. Education: University of New Hampshire,
Durham, 1983
Graduate School: New England College of Optometry, Boston 1987
Practice of Optometry: 1987 - Present, Nashua Eye Associates






Philip L. Sutherland, OD

Philip L. Sutherland, O.D. Education: Suffolk University, 1982
Graduate School: New England College of Optometry, 1986
Practice of Optometry: 1986 to present

  • New England College of Optometry Professor 1988 to 1997
  • New England College of Optometry Adjunct Faculty 1998

    Private Practice: 1986-1988




Ronald B. Coutu, OD

Ronald B. Coutu, O.D. Education:

  • St. Michael's College, 1979
  • University System of NH, Plymouth, MBA, 1986

Graduate School: New England College of Optometry, 1991
Residency: Edith Nourse Rogers Memorial Veterans Hospital, 1991
Practice of Optometry: 1992 to present, Nashua Eye Associates
Board Certified: American Board of Optometry, 2014



Our offices below serve the following locations: Nashua, Lowell, Chelmsford, Milford, Merrimack, Hudson, Bedford, Manchester, Northern Massachusetts, Southern New Hampshire:

Nashua Office: 5 Coliseum Avenue Nashua, NH 03063 Ph: (603) 882-9800 Services: Eye Examinations, Contact Lenses, Eyeglasses, Surgery Center

Milford Office: 555 Nashua Street Milford, NH 03055 Ph: (603) 672-8800 Services: Eye Examinations, Contact Lenses, Eyeglasses

Hudson Office: 30 Lowell Road Hudson, NH 03051 Ph: (603) 598-6400 Services: Eye Examinations, Contact Lenses, Eyeglasses