Grant Michael Comer, MD, MS
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About
Grant M. Comer, M.D., specializes in diseases and surgery of the retina and vitreous, including diagnosis and treatment of ocular melanoma retinal detachments, diabetic retinopathy, age-related macular degeneration (AMD), retinal vascular disease, ocular trauma, infectious chorioretinitis, and surgical management of complex retinal detachments.
His research interests range from developing alternative treatment regimens for retinal diseases, including AMD and endophthalmitis, to studying the cost-effectiveness of vitreoretinal care and maximizing patient satisfaction through multimedia-based patient education.
Dr. Comer received his medical degree from Indiana University in 2001. Following an internship at Methodist Hospital in Indianapolis, he completed a residency in ophthalmology at IU in 2005. From 205 to 2007 he undertook a vitreoretinal, uveitis and ocular oncology fellowship at the University of Michigan Kellogg Eye Center, and served as a clinical lecturer in the Department of Ophthalmology and visual Sciences from 2005 to 2009. In 2009, he earned a Master of Science in clinical research design and statistical analysis from the University of Michigan’s School of Public Health. His bibliography reflects 12 peer-reviewed papers, two book chapters, and several abstracts, as well as educational materials for patients.
Areas of Practice
Subspecialty: Retina
Diseases and surgery of the retina and vitreous, including diagnosis and treatment of ocular melanoma, retinal detachments, diabetic retinopathy, age-related macular degeneration, retinal vascular disease, ocular trauma, infectious chorioretinitis, and surgical management of complex retinal detachments
Expertise
Locations
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Retina & Uveitis Clinic | Kellogg Eye Center 1000 Wall St
Elevator B Floor 2
Ann Arbor, MI 48105-1912Get Directions -
Ophthalmology Clinic | Brighton Center for Specialty Care 7500 Challis Rd
Entrance 1, Level 2
Brighton, MI 48116-9416Get Directions
Insurance Accepted
University of Michigan Health participates with most health insurance plans.
Education & Training
Medical School or Training
Residency
Fellowships
Board Certifications
Research Overview
Diagnosis and management of infectious chorioretinitis with particular focus on drug-resistant organisms and how they relate to ocular disease.
Patient Ratings & Comments
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Patient Ratings
675 Patient Ratings
Patient Comments
October 19, 2025 - "Dr Comer is truly one of the best. He is attentive, kind, patient, and informative. He is an amazing Dr that do recommend to everyone I know"
October 10, 2025 - "Dr. Comer is by far one of the best doctors I have ever had. He is always very thorough and allows me to understand what is happening in my body in a way that I can personally understand. From the moment I was put on his caseload I have felt that I was in the best possible hands. From creating a plan of care, the surgery, to the aftercare, he has exceeded my expectations. Thank you, Dr. Comer!"
October 8, 2025 - "Dr. Comer is one of the best doctors I have ever had. I wish all my doctors were as competent, courteous and were able to explain everything to me as well as he does."
October 3, 2025 - "Dr. Comer is ammazing!"
October 1, 2025 - "I find Dr. Comer to be outstanding"
September 28, 2025 - "Dr Comer always answers all my questions very thoroughly. I usually learn something abt eyes during the appointment."
September 21, 2025 - "Dr. Comer was very professional, patient and caring."
September 19, 2025 - "Dr. Comer and [...] were amazing and went above and beyond in so many ways to take care of me. I would never go anywhere else and am beyond thankful for their care."
September 6, 2025 - "I was extremely pleased with my visit to Dr. Grant. He examined my eyes thoroughly and carefully. His bedside manners are impecable. His explanations were clear and thorough. He listened attentively to my concerns and reassured me about my condition and care moving forward."
September 6, 2025 - "Dr. Comer took his time and listened to all of my questions. Very pleased with my visit."
