Dr. Elli Park

Dr. Thuzar Thein is a comprehensive ophthalmologist at Mass Eye and Ear and an instructor in ophthalmology at Harvard Medical School. She provides complete eye care with a focus on cataract evaluation and surgery, as well as the diagnosis and treatment of common eye conditions. Dr. Thein earned a BA in Neuroscience from Amherst College and a PhD in Neuroscience from the Johns Hopkins University School of Medicine before completing her medical degree at Harvard Medical School. She went on to an internship at Mount Auburn Hospital and ophthalmology residency at Yale School of Medicine. This combination of rigorous scientific training and surgical experience informs a careful, evidence-based approach to each visit. Dr. Thein is committed to education—making time to answer questions, set expectations, and discuss lens choices and recovery—and she collaborates with colleagues across Mass General Brigham to coordinate subspecialty care when needed. She welcomes new patients in Boston and Stoneham.

Clifford B. Kim, MD, is an Ophthalmology Hospitalist at Mass Eye and Ear and an Instructor in Ophthalmology at Harvard Medical School. He provides emergency eye care and inpatient consultation for patients admitted to Brigham and Women’s Hospital, Massachusetts General Hospital, and Brigham and Women’s Faulkner Hospital, and teaches fellows and residents in the Mass Eye and Ear Emergency Department. Patients and trainees alike benefit from his experience with urgent ophthalmic conditions and his interest in telemedicine. Dr. Kim earned his medical degree at Harvard Medical School and completed ophthalmology residency through Harvard Ophthalmology after an internship at Cambridge Health Alliance. During training he conducted translational research on neovascular retinopathies and ocular hypertension and has authored peer-reviewed publications.

Dr. Laurel Tillinghast Tainsh is a comprehensive ophthalmologist at Mass Eye and Ear who specializes in cataract surgery and general eye care. She serves as Director of Quality for Ophthalmology at Mass Eye and Ear and is an Instructor in Ophthalmology at Harvard Medical School. Her practice includes annual and diabetic eye exams, management of chronic eye problems, and cataract evaluation and surgery, with a focus on education and shared decision-making so patients feel prepared at every step. Dr. Tainsh earned BA, MD, and MHS degrees from Harvard College and Yale University, completed internship at Yale–New Haven Hospital, and finished ophthalmology residency through Harvard Medical School. Before residency, she conducted NIH-funded research in glaucoma and retinal cell science and received several academic awards. Today she combines that scholarly foundation with a warm, practical approach to care, coordinating with subspecialists across Mass Eye and Ear when advanced treatment is needed and helping each patient choose the option that best supports their vision and lifestyle.