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Dr. Shira S. Simon is a neuro-ophthalmologist with Northwestern Medical Group who cares for adults with vision problems that may be related to the brain, optic nerve, or eye movement pathways. She evaluates symptoms such as double vision, unexplained vision loss, and visual field changes, and works closely with patients to pinpoint the cause and create a clear plan. Dr. Simon earned her medical degree at Harvard Medical School. She completed training at Cambridge Health Alliance and finished residency at McGaw Medical Center of Northwestern University, followed by fellowship training at University of Iowa Hospitals and Clinics. She is board certified by the American Board of Ophthalmology and serves as an associate professor at Northwestern University Feinberg School of Medicine. In visits, Dr. Simon emphasizes careful listening, detailed examination, and straightforward explanations so patients understand their diagnosis and next steps.

Adam D. Baim, MD, PhD is a neuro-ophthalmologist with Northwestern Medicine whose practice bridges neurology and ophthalmology to diagnose and treat complex visual symptoms. He has particular interest in adult strabismus surgery, double vision, optic nerve disorders, and the ocular manifestations of systemic neurologic disease. Dr. Baim strives to provide prompt, collaborative care and clear communication so patients understand their diagnosis and treatment options. Dr. Baim earned his MD and PhD at the University of Chicago Pritzker School of Medicine. He completed internship and ophthalmology residency at Washington University in St. Louis and advanced training in neuro-ophthalmology and adult strabismus at the University of Minnesota. As an assistant professor at the Feinberg School of Medicine, he cares for patients at Northwestern Memorial Hospital and works closely with colleagues across ophthalmology and neurology to deliver comprehensive, patient-centered care.

Eric L. Caskey, MD is an ophthalmologist at Wheaton Eye Clinic who focuses on neuro-ophthalmology. He evaluates vision problems that arise from the brain and optic nerve, including double vision, visual field loss, and complex eye movement disorders. Dr. Caskey is also trained in comprehensive eye care and cataract surgery, offering patient-centered guidance to help people understand their diagnosis and treatment options. Dr. Caskey earned his bachelor’s degree in biology at Indiana University and his medical degree at Indiana University School of Medicine. He completed an internship and ophthalmology residency at Tulane University, followed by a dedicated neuro-ophthalmology fellowship at the University of Utah John Moran Eye Center. At Wheaton Eye Clinic, he collaborates closely with neurology and primary care colleagues to provide coordinated care for conditions that bridge the eye and nervous system.

Dr. Praveen Jeyaseelan is an ophthalmologist with focused expertise in neuro-ophthalmology as well as pediatric ophthalmology and adult strabismus. He cares for children and adults with conditions such as double vision, eye misalignment, amblyopia, optic nerve and brain-related visual disorders, visual loss after stroke or brain injury, and nystagmus. Patients appreciate his careful evaluations, clear explanations, and collaborative approach to selecting treatments that fit their needs at home, school, and work. Dr. Jeyaseelan completed dual subspecialty fellowships: neuro-ophthalmology at the Wilmer Eye Institute (Johns Hopkins University) and pediatric ophthalmology and adult strabismus at Ann & Robert H. Lurie Children’s Hospital of Chicago/Northwestern University. He previously completed ophthalmology residency at The Tamil Nadu Dr. M.G.R. Medical University, and earned his medical degree (MBBS) at Amrita School of Medicine. He is committed to compassionate, evidence-based care and to teaching the next generation of ophthalmologists.

Dr. Kimberly D. Blankshain is a comprehensive ophthalmologist with a sub-specialization in neuro-ophthalmology. She provides cataract surgery and routine eye care, while focusing on diagnosing and treating vision problems that arise from the brain and optic nerves. Her expertise helps patients with complex neurological conditions understand their visual symptoms and find safe paths to recovery. Dr. Blankshain earned her bachelor's degree in biology from the University of Iowa and her medical degree from the Chicago Medical School at Rosalind Franklin University, where she was inducted into the Alpha Omega Alpha honors society. She completed her ophthalmology residency at the University of Cincinnati after an internship at The Jewish Hospital of Cincinnati, and she further specialized through a neuro-ophthalmology fellowship at the Illinois Eye and Ear Infirmary in Chicago. She is board-certified by the American Board of Ophthalmology and is an active member of the American Academy of Ophthalmology and the North American Neuro-Ophthalmology Society. In her personal time, Dr. Blankshain enjoys spending time with her family in her backyard and baking sweet treats in her kitchen.

Dr. Osama Al Deyabat is a pediatric and neuro-ophthalmologist who cares for children and adults with complex eye movement and visual pathway disorders. He is drawn to problems that blur the line between the eye and the brain—double vision, unexplained vision loss, and neurologic causes of visual symptoms—and he works closely with families to create plans that are practical, understandable, and evidence-based. His visits emphasize careful examination and clear communication so patients know what to expect and why. Dr. Al Deyabat completed a pediatric ophthalmology and adult strabismus fellowship at the University of Illinois Chicago, followed by a neuro-ophthalmology fellowship at Houston Methodist Hospital. He previously finished ophthalmology residency at Jordan University of Science and Technology and medical school at the same institution. His academic work includes publications on optic neuritis and the ocular manifestations of giant cell arteritis. He strives to deliver subspecialty care with the warmth of a small community practice.

Dr. Timothy J. Kietzman is a neuro-ophthalmologist who evaluates vision problems related to conditions affecting the brain and optic nerve. He cares for patients with unexplained vision loss and other neurologic vision concerns, and he also treats acute eye conditions. His approach emphasizes careful listening, thorough evaluation, and clear guidance on next steps. Dr. Kietzman earned a B.S. in chemistry from Wheaton College and a medical doctorate from Loyola Stritch School of Medicine. He completed ophthalmology residency training at Brooke Army Medical Center and completed a neuro-ophthalmology fellowship at Northwestern University Feinberg School of Medicine. He served as an ophthalmologist during Operation Desert Storm and later worked as a clinical and surgical instructor at Gilgit Eye Hospital in Pakistan. In 2012, he received the American Academy of Ophthalmology’s Outstanding Humanitarian Service Award for his work in Gilgit.