Macular Degeneration

Macular degeneration, or age-related macular degeneration (AMD), is a leading cause of vision loss in Americans 60 and older. It is a disease that destroys your sharp, central vision.

Doctors + Care Team

Andre J. Witkin, MD

Andre J. Witkin, MD

Accepting New Patients

Title(s): Ophthalmologist; Retina Specialist; Assistant Professor, Tufts University School of Medicine
Department(s): Ophthalmology
Appt. Phone: 617-636-4600
Fax #: 617-636-4866

Vitreoretinal surgery, retinal and macular disorders

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Research + Clinical Trials


A Phase III, Multicenter, Randomized, Visual Assessor-Masked, Active-Comparator Study of the Efficacy. Safe and Pharmacokinetics of the Port Delivery System with Ranibizumab in Patients with Neovascular Age-Related Macular Degeneration

This study will evaluate the efficacy, safety, and pharmacokinetics of ranibizumab delivered with the PDS Implant compared with ranibizumab delivered as a monthly intravitreal injection in patients with neovascular age-related macular degeneration (nAMD). 
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A biomarker evaluation study in patients with geographic atrophy secondary to age-related macular degeneration (AMD) evaluating the use of microperimetry (fundus-controlled perimetry) and Swept Source-OCT in assessing changes in retinal sensitivity and anatomy over time. 

This study is being done to see if some eye tests could be useful in finding the natural changes that happen over time in the retina (the back part of the eye) of patients with GA secondary to AMD.
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