Dr. Eric Caskey

Ophthalmology – Neuro-Ophthalmologist

Wheaton, IL

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. Kimberly Blankshain

Ophthalmology – Neuro-Ophthalmologist

Wheaton, IL

Dr. Kimberly D. Blankshain is a comprehensive ophthalmologist with subspecialty expertise in neuro-ophthalmology. She evaluates vision problems that arise from the brain and optic nerves and offers coordinated care for patients with complex neurologic conditions, while also providing cataract surgery and routine eye care. Her approach is warm, thorough, and focused on helping patients understand the cause of visual symptoms and the safest path to recovery. Dr. Blankshain earned her MD at Chicago Medical School (Rosalind Franklin University) and completed ophthalmology residency at the University of Cincinnati after an internship at The Jewish Hospital of Cincinnati. She returned to Chicago for a neuro-ophthalmology fellowship at the Illinois Eye and Ear Infirmary. She is 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.

Dr. Osama Al Deyabat

Ophthalmology – Pediatric Eye Specialist

Peoria, IL

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.