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Han-Ying Peggy Chang, M.D.

Photo of Han-Ying Peggy Chang, M.D.
Specialties: Comprehensive Ophthalmology
Cornea and External Diseases
Refractive Surgery
Phone Number: 617-573-3202
Location: Massachusetts Eye and Ear
243 Charles Street
Boston, MA 02114
Office Hours: Tues/Wed/Thu/Fri Please call to schedule an appointment.
Location: Mass. Eye and Ear, Longwood
800 Huntington Avenue
Boston, MA 02115
Office Hours: Tues. Please call 617-936-6156 to schedule an appointment.
Board Certification: Ophthalmology
College Northwestern University
Medical School Johns Hopkins University School of Medicine
Residency Ophthalmology, Harvard Medical School Department of Ophthalmology Residency Training Program
Fellowship Cornea, External Disease, and Refractive Surgery, Mass. Eye and Ear
Teaching Affiliation Instructor in Ophthalmology, Harvard Medical School
Biographical Profile:

Dr. Chang is a full-time ophthalmologist in the Mass. Eye and Ear Comprehensive Ophthalmology and Cornea and Refractive Surgery Services and an Instructor in Ophthalmology at Harvard Medical School (HMS). After graduating summa cum laude from Northwestern University with an undergraduate degree in computing and information systems, Dr. Chang completed her medical training from Johns Hopkins University School of Medicine where she was inducted into Alpha Omega Alpha. In 2009, she completed an internship at Brigham and Women’s Hospital, and then matriculated into the HMS Department of Ophthalmology Residency Training Program. Subsequently, she subspecialized in Cornea, External Disease, and Refractive Surgery at Mass. Eye and Ear as Chief Clinical Fellow, and was selected to attend the prestigious Cornea Society Advocacy Ambassador Program, Mid-Year Forum.

Today, Dr. Chang is an Instructor in Ophthalmology at Harvard Medical School. She is a member of numerous professional societies, including the American Academy of Ophthalmology, the Association for Research in Vision and Ophthalmology, and the Cornea Society. 

Clinical Interests

Comprehensive ophthalmology, cataract surgery, corneal disease and surgery, laser vision correction and refractive surgery

Research Interests

Bioinformatics and electronic medical record systems


A self-updating, representative list of Dr. Chang’s research publications available on can be found here.

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

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

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

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

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

To learn more about Dr. Chang, click here to read her “Meet a Specialist” profile.