About Our Eye Doctor in Chicago, IL

Michael Zost, O.D., FAAO, FCOVD

Dr. Michael Zost has served as an Associate Professor of Optometry at the Illinois College of Optometry in Chicago since 1986 where he also received his doctorate of optometry degree. He then completed a residency in Rehabilitative Optometry at the Northport VA Medical Center in Northport, New York with an emphasis on primary care, vision therapy, contact lenses, and low vision.

Dr. Zost is a vision consultant at the Rehabilitation Institute of Chicago where he examines and treats patients who experience disrupted or loss of vision due to an acquired brain injury. He has served as a chief clinical examiner of licensing for the National Board of Optometry for over ten years. Dr. Zost is also on the Advisory Council for the Illinois School for the Visually Impaired, for which he also volunteers his time performing low vision examinations for its students.

Dr. Zost’s specialties include contact lenses, vision therapy, and rehabilitative optometry. He teaches courses, is a speaker and lecturer, and his investigative work has appeared in major optometric journals.

Dr. Zost has received additional distinction as a Fellow in the College of Vision Development and the American Academy of Optometry.

Marsha Sorenson, O.D, FAAO, FCOVD

Dr. Sorenson graduated from the Illinois College of Optometry, where she was awarded the COVD Excellence in Vision Therapy Award, and the Luckhardt Memorial Scholarship. After graduating she completed the prestigious Irwin B Suchoff Residency Program in Vision Therapy and Rehabilitation at SUNY State College of Optometry in New York City. She is a fellow of the American Academy of Optometry and a fellow of the College of Optometrists in Vision Development. Dr. Sorenson specializes in pediatric optometry, vision therapy, and neuro-optometry.

Dr. Sorenson served as a clinical instructor at the Illinois College of Optometry for 6 years, teaching students about developmental vision, pediatric eye exams, vision therapy, and visual perceptual testing. Dr. Sorenson also works at Chicago Dizziness and Hearing Clinic, where she provides neuro-optometry services for patients with vestibular disorders. She has published a journal article about recent research supporting a vision therapy-based treatment model for amblyopia. She has presented posters at recent COVD and American Academy of Optometry Meetings. She is an active contributor to the COVD blog.