Stanford University
Showing 1-50 of 354 Results
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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.
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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
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
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
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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.
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Tayyeba K. Ali, MD
Adjunct Clinical Associate Professor, Ophthalmology
BioTayyeba K. Ali, MD, a Board Certified ophthalmologist, specializes in complex corneal disease and uveitis. She sees patients at Palo Alto Medical Foundation / Sutter Health in Sunnyvale, CA. Dr. Ali also works as a medical specialist on contract for Google.
Prior to completing two fellowships in cornea, external disease, refractive surgery and uveitis at Bascom Palmer Eye Institute, ranked #1 eye hospital in the United States by U.S. News & World Report, Dr. Ali finished her ophthalmology residency at the Jones Eye Institute / UAMS. She earned her medical degree from Emory University School of Medicine and completed her undergraduate training in English literature and creative writing from Agnes Scott College.
Dr. Ali has received many academic and teaching awards including the Bascom Palmer Fellow of the Year Award and the Jone’s Eye Dean’s Faculty Award. She has delivered dozens of lectures on the national and international level and published numerous meeting abstracts and peer-reviewed journal articles.
As a second generation American, Tayyeba finds herself dwelling on migrant and refugee stories, their need for ethnic and religious identity, and the repercussions of these journeys. She is keenly interested in international medicine, resident education, health technology and taking a closer look at the moral crossroads we face in healthcare. She is the Associated Director for Pegasus Physician Writers at Stanford as well as the Senior Fiction Editor for the medical literary magazine, The Pegasus Review; she has a particular affinity for colons (grammatically, not anatomically, speaking) and semicolons. -
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.
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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.
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Jill Beyer, OD
Clinical Associate Professor, Ophthalmology
BioJill Beyer, OD, is a Clinical Assistant Professor at Stanford University School of Medicine.
Dr. Beyer graduated from Southern California College of Optometry, earning her Doctor of Optometry degree with distinction. She completed her residency at New England College of Optometry in Boston, Massachusetts, and earned a Bachelor of Science degree in Biology from Oregon State University.
Jill’s residency education included time spent at the Boston Foundation for Sight, Massachusetts Eye and Ear Infirmary, Cornea Consultants & Boston Laser Center, and Harvard Vanguard Medical Associates.
After residency training, Jill continued on as a clinical preceptor at the New England College of Optometry while working in private practice in Boston. She then transitioned to full time academic work at the Massachusetts Eye and Ear Infirmary becoming the Director of the Contact Lens Department and an Instructor in Ophthalmology at Harvard Medical School. -
Gala Beykin, MD
Clinical Instructor, Ophthalmology
BioDr. Beykin is an ophthalmologist and glaucoma specialist at the Byers Eye Institute at Stanford Health Care. She is also a clinical instructor in the Department of Ophthalmology at Stanford University School of Medicine.
Dr. Beykin completed clinical and surgical training in glaucoma at the Byers Eye Institute. She specializes in caring for patients with all types of ophthalmic conditions, including glaucoma and cataract.
She has expertise in clinical trial design and implementation, and studies novel biomarkers and candidate therapeutics for vision protection and restoration in glaucoma. Her research efforts include numerous clinical trials investigating new therapies for eye conditions. Dr. Beykin has participated in multiple studies evaluating drugs targeting retinal disease such as AMD and diabetes-related vision loss, as well as ongoing clinical trials assessing new treatment strategies for neuroprotection, neuroregeneration and neuroenhancement in glaucoma. These include implants that could potentially stop or slow the progression of and help improve vision.
Dr. Beykin has published her work in numerous peer-reviewed journals, including the British Journal of Ophthalmology and Investigative Ophthalmology & Visual Science. She has presented her work at national and international meetings, including those for the International Symposium on Retinal Degeneration and the Association for Research in Vision and Ophthalmology.
She is a member of the Israeli Ophthalmology Society, the Israeli Society for Eye and Vision Research, and the Association for Research in Vision and Ophthalmology. -
Nathaniel Aidan Blecher
Clinical Assistant Professor, Ophthalmology
BioDr. Nathaniel Blecher is a board-certified, fellowship-trained ophthalmologist who specializes in glaucoma care at Stanford Health Care. He is also a clinical assistant professor in the Department of Ophthalmology at Stanford University School of Medicine.
His clinical interests include innovative surgical treatments for glaucoma—including minimally invasive glaucoma surgery (MIGS)—as well as the connection between lifestyle and ocular health. Dr. Blecher provides comprehensive care for the full spectrum of glaucoma, both early-stage and particularly advanced disease.
His individualized approach includes laser therapy, medical management, MIGS procedures, and more complex interventions such as tube shunt placement and trabeculectomy. He also treats coexisting conditions like cataracts, ensuring patients receive coordinated, whole-eye care.
Dr. Blecher’s research interests include treatments for pseudophakic angle closure, which is a rare situation when high pressure inside the eye suddenly develops despite cataract surgery. He has also studied the finer details of correctly detecting glaucoma progression based on optical coherence tomography (OCT) analysis, considering the changes that can be seen from comorbid conditions such as hypertension and diabetes.
Dr. Blecher’s research has been published in leading peer-reviewed journals, including Ophthalmology, Ophthalmic Plastic & Reconstructive Surgery, and Ophthalmology Case Reports. He has presented internationally on topics such as MIGS and complex glaucoma management.
He is a member of the American Academy of Ophthalmology and the American Glaucoma Society. -
Mark S. Blumenkranz, MD, MMS
H. J. Smead Professor of Ophthalmology, Emeritus
Current Research and Scholarly InterestsClinical Interest and Research
My primary areas of interest are in the diagnosis, medical and surgical treatment of vitreal retinal diseases. These principally include age-related macular degeneration and other diseases of the macula, and tractional syndromes, diabetic retinopathy, and complex forms of retinal detachment. I have been interested in the development of novel technology to diagnose and treat these diseases, including new forms of imaging, laser delivery systems, other microsurgical tools, and new drugs and drug delivery systems that inhibit new blood vessel growth, scarring and intraocular inflammation. I have been actively involved in translational research in the laboratory as well as technology transfer associated with that research for a variety of new therapies that have received FDA clearance and been introduced into clinical practice over the past 30 years.
Administrative and Community Service
I have served on the Board of Directors of a variety of voluntary education and service organizations, including the Corporation of Brown University, multiple scientific advisory boards and various philanthropic and research organizations. -
Kevin Chuen Wing Chan
Associate Professor of Ophthalmology (Research/Clinical Trials)
Current Research and Scholarly Interests(1) MR ocular imaging and neuroimaging of degeneration, development, protection, plasticity, and regeneration in humans and experimental animal models.
(2) Structural, metabolic, physiological, and functional relationships between eye, brain, and behavior in health and disease. -
Robert Chang, MD
Professor of Ophthalmology
Current Research and Scholarly InterestsI'm interested in developing a best in class glaucoma registry, utilizing modern algorithm techniques on imaging, text, and biologic data for precision health predictive analytics in glaucoma diagnosis and treatment, validating new medical devices and technologies, especially portable ones, and working on implementation science
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Zheng Chen, OD
Clinical Assistant Professor, Ophthalmology
BioDr. Chen is an optometrist with the Byers Eye Institute and a clinical assistant professor in the Department of Ophthalmology at Stanford University School of Medicine.
Dr. Chen diagnoses and treats a range of eye conditions, including refractive errors, glaucoma, cataracts, and diabetic retinopathy. Her clinical experience is in routine and emergency eye care, pre- and post-surgical eye care, and medical management of eye diseases. She delivers patient-focused care, quickly establishing rapport and working effectively with pediatric, geriatric, and culturally diverse populations.
Dr. Chen is a member of Beta Sigma Kappa, an international optometric honor society. -
E.J. Chichilnisky
John R. Adler Professor, Professor of Neurosurgery and of Ophthalmology and, by courtesy, of Electrical Engineering
Current Research and Scholarly InterestsFunctional circuitry of the retina and design of retinal prostheses
