David S. Friedman, M.D., Ph.D., MPH

Director, Glaucoma Service





Chinese (Mandarin), Spanish

Board Certification

  • Ophthalmology

Main Campus
243 Charles Street
Boston, MA 02114
Phone: 617-573-3202
Accepting New Patients



Dr. Friedman is the Director of the Glaucoma Service, who specializes in treating all forms of glaucoma except for pediatric patients. He has pursued excellence in clinical care, research, and education, and is considered a leader in all three fields. As a clinician he has consistently been elected a “Best Doctor” and frequently is asked to lecture both domestically and internationally on glaucoma care. He is world renowned for the treatment of angle closure glaucoma. He performs a wide range of glaucoma procedures as well as cataract surgery.

Dr. Friedman’s research focuses on angle closure glaucoma, ophthalmic epidemiology, and glaucoma therapy with an emphasis on medication adherence among glaucoma patients. Dr. Friedman has published nearly 300 peer-reviewed articles.

For more information, download his CV [PDF].

Clinical Interests

Glaucoma care, cataract surgery

Research Interests

Angle closure glaucoma, medication adherence, surgical care for glaucoma, ophthalmic epidemiology, health services research


He M, Jiang YZ, Huang S, Chang DS, Munoz B, Aung T, Foster PJ*, Friedman DS*. Laser peripheral iridotomy for the prevention of angle closure: a single-centre, randomised controlled trial. Lancet, online 2019, March 13.  *co-senior authors

Azuara-Blanco A, Burr J, Ramsay C, Cooper D, Foster PJ, Friedman DS, Scotland G, Javanbakht M, Cochrane C, Norrie J. Effectiveness of early lens extraction for the treatment of primary angle-closure glaucoma (EAGLE): a randomised controlled trial. Lancet. 2016 Oct 1;388(10052):1389–97.

Friedman DS, Wolfs RCW, O’Colmain BJ, Klein BE, Taylor HR, West S, Leske MC, Mitchell P, Congdon N, Kempen J. Prevalence of open-angle glaucoma among adults in the United States. Arch Ophthalmol. 2004 Apr;122(4):532–8. 

Ko F, Vitale S, Chou C-F, Cotch MF, Saaddine J, Friedman DS. Prevalence of nonrefractive visual impairment in US adults and associated risk factors, 1999-2002 and 2005-2008. JAMA. 2012 Dec 12;308(22):2361–8. 

Friedman DS, Jampel HD, Munoz B, West SK. The prevalence of open-angle glaucoma among blacks and whites 73 years and older: the Salisbury Eye Evaluation Glaucoma Study. Arch Ophthalmol. 2006 Nov;124(11):1625–30. 

Gupta P, Zhao D, Guallar E, Ko F, Boland MV, Friedman DS. Prevalence of Glaucoma in the United States: The 2005-2008 National Health and Nutrition Examination Survey. Invest Ophthalmol Vis Sci. 2016 May 1;57(6):2905–13.

Friedman DS, Repka MX, Katz J, Giordano L, Ibironke J, Hawse P, Tielsch JM. Prevalence of amblyopia and strabismus in white and African American children aged 6 through 71 months the Baltimore Pediatric Eye Disease Study. Ophthalmology. 2009 Nov;116(11):2128-2134.e1-2.

Friedman DS, Hahn SR, Gelb L, Tan J, Shah SN, Kim EE, Zimmerman TJ, Quigley HA. Doctor-patient communication, health-related beliefs, and adherence in glaucoma results from the Glaucoma Adherence and Persistency Study. Ophthalmology. 2008 Aug;115(8):1320–7, 1327.e1-3. 

Okeke CO, Quigley HA, Jampel HD, Ying G, Plyler RJ, Jiang Y, Friedman DS. Adherence with topical glaucoma medication monitored electronically the Travatan Dosing Aid study. Ophthalmology. 2009 Feb;116(2):191–9.

Boland MV, Chang DS, Frazier T, Plyler R, Jefferys JL, Friedman DS. Automated telecommunication-based reminders and adherence with once-daily glaucoma medication dosing: the automated dosing reminder study. JAMA Ophthalmol. 2014 Jul;132(7):845–50.

View a complete list of publications on pubmed.gov>>



  • East Asian Studies, Yale University, BA (summa cum laude)
  • Harvard Medical School, M.D.
  • Johns Hopkins University School of Hygiene and Public Health, MPH (delta omega alpha)
  • Johns Hopkins University Department of Epidemiology, Ph.D.


  • Ophthalmology, Wills Eye Hospital


  • Glaucoma, Johns Hopkins University School of Medicine