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Our Team

Director, Dana Center

Dr. David Friedman

David S. Friedman, M.D., M.P.H., Ph.D.

Alfred Sommer Professor at the Wilmer Eye Institute
Professor of Ophthalmology

Research Interests: Angle-closure glaucoma epidemiology and treatment; Glaucoma Therapy; Intraocular Pressure Monitoring; Health Services Research; Pediatric Refractive Errors; Glaucoma Screening; Ophthalmic Epidemiology of Eye Disease; Diabetic Retinopathy Screening in Underserved Communities


Dr. Alison Abraham

Alison G. Abraham, Ph.D.

Associate Professor of Epidemiology and the School of Medicine (Joint)
Research Interests: Epidemiologic Methodology HIV Research Chronic Kidney Disease ; Age-related Eye Disease Pediatric Nephrology Biostatistics; Missing Data Methods MACS WIHS NAACCORD ; CKID HIV Drug Resistance Cervical Cancer

Dr. Megan Collins

Megan E. Collins, M.D.

Assistant Professor of Ophthalmology
Research Interests: Barriers in access to eye care, Epidemiology of Pediatric Eye Disease and the Impact of Refractive Error on Academic Performance.

Dr. Ann-Margret Ervin

Ann-Margret Ervin, Ph.D.

Associate Professor of Epidemiology and the School of Medicine (Joint)
Research Interests: Epidemiology; Clinical trials; Clinical trials methodology; Visual impairment; Eye disease; Ophthalmology; Optometry; Bioethics; Research ethics

Dr. Joanne Katz

Joanne Katz, M.S., Sc.D.

Professor of International Health (Primary), Biostatics (Joint) and Epidemiology (Joint)
Research Interests: Epidemiology; Biostatistics; Micronutrients; Maternal health; Neonatal health; Child health; Adolescent pregnancy; Reproductive health; Respiratory infections; Ophthalmology; Blindness and visual impairment

Dr. Xiangrong Kong

Xiangrong Kong, Ph.D.

Associate Scientist of Epidemiology and Biostatics (Joint)
Research Interests: Longitudinal and correlated data analysis; Causal inference; Survival analysis; HIV/AIDS; STI; Program impact evaluation; Ophthalmology; Physical therapy

Dr. Shannath Merbs

Shannath L. Merbs, M.D., Ph.D.

Professor of Ophthalmology
Research Interests: Role of Epigenetics (molecular biology) in Retinal Development and Disease; Trichiasis Surgery in Africa; Orbital Trauma

Dr. Beatriz Munoz

Beatriz Munoz, M.S.

Associate Professor of Ophthalmology
Research Interests: Epidemiology, Trachoma

Dr. Pradeep Ramulu

Pradeep Y. Ramulu, M.D., Ph.D. 

Associate Professor of Ophthalmology
Research Interests: Visual Disability and Rehabilitation; Dry Eye; Glaucoma; Aging and Vision

Dr. Oliver Schein

Oliver D. Schein

Burton and Miriam Grossman Professor of Ophthalmology
Professor of Ophthalmology

Research Interests: Epidemiology; Technology assessment; Cataract; Corneal infection; Contact lens; Dry eye; Quality and safety.

Dr. Bonnielin Swenor

Bonnielin Swenor, M.P.H., Ph.D.

Associate Faculty Member at the Johns Hopkins Center on Aging and Health
Assistant Professor of Ophthalmology

Research Interests: Aging; Low vision; Epidemiology

Dr. Harry Quigley

Harry A. Quigley, M.D.

A. Edward Maumenee Professor of Ophthalmology
Director, Glaucoma Center of Excellence
Professor of Ophthalmology

Research Interests: Causes of vision loss in glaucoma; New imaging technology in the diagnosis of angle closure glaucoma; Neuroprotective treatments for glaucoma; Evaluation of surgical operations for glaucoma; Research into solutions to glaucoma treatment worldwide

Dr. Sheila West

Sheila West, Ph.D., PharmD. 

El-Maghraby Professor of Preventive Ophthalmology
Vice Chair for Research, Wilmer Eye Institute
Professor of Ophthalmology

Research Interests: Trachoma; Cataracts; Diabetic Retinopathy; Vision and Function in Older Drivers

Dr. Robert Wojchiechowski

Robert Wojciechowski, Ph.D.

Associate Professor of Epidemiology and the School of Medicine (Joint)
Research Interests: Genetic epidemiology; Genetics; Genomics; Vision; Visual impairment; Blindness; Psychophysics; Ophthalmic imaging; Refractive error; Myopia; Glaucoma; Retina