Han-Ying Peggy Chang, M.D.

Research Summary

Center/Research Area Affiliations

Research Summary

As part of the comprehensive ophthalmology service, Dr. Chang specializes in cataract surgery as well as diagnosis and management of corneal disorders. She is interested in the use of electronic medical record systems in data collection for potential large scale epidemiological studies, and is working closely with Partners eCare to optimize this functionality in the transition to the EPIC application.

Select Publications

Differentiating bilateral superior oblique paresis from sensory extorsion. Muthusamy B, Peggy Chang HY, Irsch K, Ying HS, Muthusamy K, Anwar D, Guyton DL. J AAPOS. 2013 Oct;17(5):471-6.

The genetics of keratoconus. Chang HY, Chodosh J. Semin Ophthalmol. 2013 Sep-Nov;28(5-6):275-80.

Corneal alkali burns: a review of the literature and proposed protocol for evaluation and treatment. Hamill CE, Bozorg S, Peggy Chang HY, Lee H, Sayegh RR, Shukla AN, Chodosh J. Int Ophthalmol Clin. 2013 Fall;53(4):185-94.

Ocular involvement in hospitalized patients with candidemia: Analysis at a Boston tertiary care center. Huynh N, Chang HY, Borboli-Gerogiannis S. Ocul Immunol Inflamm. 2012 Apr;20(2):100-3.

Diagnostic and therapeutic considerations in fungal keratitis. Chang HY, Chodosh J. Ophthalmol Clin. 2011 Fall;51(4):33-42.

View a list of publications on pubmed.gov>>



  • 2001: B.A., Computing and Information Sciences, Northwestern University
  • 2008: M.D., Medicine, Johns Hopkins University School of Medicine

Postgraduate Training

  • 2009: Internship, Internal Medicine, Brigham and Women's Hospital
  • 2012: Residency, Ophthalmology, Harvard Medical School, Massachusetts Eye and Ear
  • 2013: Fellowship, Cornea and External Diseases, Massachusetts Eye and Ear

Academic Appointments

  • 2001-2004 Applications Developer, Information Technology, UBS Investment Bank, Chicago, IL
  • 2009-2013 Clinical Fellow in Ophthalmology, Harvard Medical School
  • 2013- Instructor in Ophthalmology, Harvard Medical School
  • 2013- Partners eCare Clinical Content Lead MD in Ophthalmology

Professional Memberships

  • 2008- Member, Massachusetts Medical Society
  • 2009- Member, American Academy of Ophthalmology
  • 2013- Member, Cornea Society
  • 2013- Member, American Society of Cataract and Refractive Surgery


  • 1997 Valedictorian, William Fremd High School, Palatine, IL
  • 1998 Alpha Lambda Delta Academic Honor Society, Northwestern University, Evanston, IL
  • 1998 National Society of Collegiate Scholars, Northwestern University, Evanston, IL
  • 1999 Chinese American Society Leadership Program, Washington D.C.
  • 2000 Second Prize, Annual Robot Design Competition, Northwestern University, Evanston, IL
  • 2000 Phi Beta Kappa Academic Honor Society, Junior Inductee, Northwestern University, Evanston, IL
  • 2001 Summa Cum Laude, Northwestern University, Evanston, IL
  • 2006 William H. Welch Pathology Student Award, Johns Hopkins School of Medicine, Baltimore, MD
  • 2008 Alpha Omega Alpha Medical Honor Society, Johns Hopkins School of Medicine, Baltimore, MD
  • 2013 AAO Mid-Year Forum Advocacy Ambassador Program, Cornea Society, Washington D.C.