School of Medicine


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  • Sajjad AbdollahRamezani

    Sajjad AbdollahRamezani

    Postdoctoral Scholar, Ophthalmology

    BioSajjad Abdollahramezani is a postdoctoral scholar in Professor Charles DeBoer’s lab in the Department of Ophthalmology at Stanford University. His research focuses on developing next-generation bioanalytical tools and implantable medical devices that integrate advanced optics, imaging, and AI to make healthcare more sustainable, precise, and accessible.

  • Tazbir Ahmed

    Tazbir Ahmed

    Postdoctoral Scholar, Ophthalmology

    BioDr. Tazbir Ahmed is a clinician-scientist with a focus on neuro-ophthalmology and vision science, bringing expertise in translational research, clinical trials, and medical education. He obtained his medical degree and licensure through the Bangladesh Medical and Dental Council and achieved board certification in Ophthalmology from the Bangladesh College of Physicians and Surgeons.

    Motivated by a deep interest in ocular neurodegeneration, inflammation, and metabolic eye disorders, Dr. Ahmed pursued a PhD in Ophthalmology at the University of Tokyo School of Medicine. His doctoral research explored the use of biologics, ocular devices, and experimental models of inflammation to investigate retinal and optic nerve changes in glaucoma, optic neuropathies, and age-related visual decline.

    Dr. Ahmed’s multidisciplinary research integrates preclinical disease models, neuroimaging, ocular histochemistry, omics technologies, and electrophysiological methods to elucidate mechanisms of visual pathway dysfunction. He also leverages data science tools to address key issues in ocular public health.

  • Ahmad Al-Moujahed, MD, PhD, MPH

    Ahmad Al-Moujahed, MD, PhD, MPH

    Assistant Professor of Ophthalmology (Research/Clinical Trials)

    BioDr. Ahmad Al-Moujahed is a board-certified, fellowship-trained ophthalmologist with Stanford Health Care. He is also an assistant professor in the Department of Ophthalmology at Stanford University School of Medicine.

    Dr. Al-Moujahed specializes in caring for retinal and macular diseases, as well as inherited retinal degenerations (IRDs), a group of genetic diseases that cause vision loss. He also specializes in vitreoretinal surgery to treat a range of diseases that affect vision. He is one of the only ophthalmologists in the nation with dedicated vitreoretinal surgery and IRD training and expertise. He is committed to providing compassionate care that improves eye health, vision, and quality of life.

    As a physician-scientist, Dr. Al-Moujahed’s research focuses on investigating the origins of IRDs and developing novel treatments for these conditions. He is also involved in clinical trials exploring innovative experimental treatments for IRDs.

    He is also deeply interested in the intersection of ophthalmology, public health, and global health. He has contributed to the development of educational programs for medical students and vision care initiatives in Syria and Lebanon, with the goal of expanding access to eye care in underserved communities.

    Dr. Al-Moujahed has published his research in peer-reviewed journals, including Investigative Ophthalmology & Visual Science, Experimental Eye Research, Stem Cell Research, Scientific Reports, and American Journal of Ophthalmology. He has also published in Ophthalmology Retina; British Journal of Ophthalmology; European Journal of Ophthalmology; Ophthalmic Surgery, Lasers and Imaging Retina; and the International Journal of Retina and Vitreous.

    He has also presented at several national conferences, including meetings of the Association for Research in Vision and Ophthalmology, American Society of Retina Specialists, American Academy of Ophthalmology, and Retina Society.

    Dr. Al-Moujahed is a member of the American Society of Retina Specialists, American Academy of Ophthalmology, and Association for Research in Vision and Ophthalmology. He is also a member of the Syrian American Medical Society and serves on its Education and Ophthalmology Committee.

  • Deborah Alcorn, MD

    Deborah Alcorn, MD

    Associate Professor of Ophthalmology at the Stanford University Medical Center, Emerita

    Current Research and Scholarly InterestsGene linkage - tuberous sclerosis; stabismus and, molteno implants; congenital stationary night blindness

  • Haider Ali

    Haider Ali

    Postdoctoral Scholar, Ophthalmology

    BioHaider Ali, M.B., B.S. is a Postdoctoral Scholar in the Department of Ophthalmology at Stanford University School of Medicine. With over six years of experience in translational research, his work focuses on advancing innovations in retinal imaging, artificial intelligence, and digital health. He is particularly interested in developing technologies that bridge clinical innovation and real-world impact to improve vision care globally.