School of Medicine


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  • 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.

  • BRIGHT ASARE-BEDIAKO

    BRIGHT ASARE-BEDIAKO

    Postdoctoral Scholar, Ophthalmology

    BioDr. Asare-Bediako is a Ghanaian-trained Optometrist who started his career as a Teaching/Research Assistant at the Kwame Nkrumah University of Science and Technology, Kumasi, Ghana. He obtained a doctorate degree in Vision Science from the University of Alabama at Birmingham, US, where he worked on animal models of diabetic retinopathy and hematopoiesis in Prof. Maria Grant’s lab. Currently, he is a postdoctoral scholar in Prof. Mary Elizabeth Hartnett’s lab studying retinopathy of prematurity. His current interests lie in understanding mechanisms of angiogenesis in retinopathy of prematurity and diabetic retinopathy.

  • Gastón A. Ayubi

    Gastón A. Ayubi

    Postdoctoral Scholar, Ophthalmology

    BioGastón A. Ayubi completed his undergraduate studies in physics and electrical engineering, followed by PhD studies in physics at the University of the Republic of Uruguay. As an undergraduate student, in 2008 he started collaborating at the Department of Physics, where he developed a strong interest in phase imaging techniques. In 2022 he joined Stanford University as a postdoc. His role is to develop and test phase contrast imaging methods for both microscopy and retinal imaging.