Slide background


Grand Rapids Ophthalmology is fortunate to have two excellent corneal specialists including Thomas Cowden, MD and Marcus Muallem, MD.

The corneal team offers unprecedented medical treatment for patients with corneal problems, choosing the most appropriate procedure for your diagnosis and unique eyes.

Their goal is to provide exceptional care to maintain eye health including the latest procedures and options in laser, medical and drug therapy.

Click here for facts on corneal issues

Thomas Cowden, MD

Dr. Cowden is fellowship-trained in cornea/external diseases/anterior segment and refractive surgery. He was involved in the initial FDA clinical trials for LASIK in 1996 and since has performed thousands of refractive procedures including Custom and BLADE-FREE LASIK. He also specializes in all forms of corneal transplant surgeries (including PKP, DSEK, DMEK, DALK, and Limbal Stem Cells) tailored to the patient’s unique needs. In addition, Dr. Cowden specializes in cataract surgery, utilizing the latest Intraocular Lens technology, Lasers and peri-operative testing in order to customize his patient’s choice for optimal vision correction. Specialties also include advanced anterior segment reconstruction as a result of trauma, or congenital defects. He earned degrees from the University of Michigan, from Wayne State University School of Medicine, completed his Ophthalmology Residency at the University of Wisconsin, and his subspecialty Fellowship in Corneal and Refractive Surgery at the University of Minnesota. He has been in private practice since 1997.

Marcus Muallem, MD

Dr. Muallem has a dual fellowship in cornea and refractive surgery, as well as glaucoma. Dr. Muallem’s sub specialty training in both fields were completed at the prestigious Bascom Palmer Eye Institute in Miami. His residency was completed at the University of Illinois in Chicago. Dr. Muallem performs Custom BLADE-FREE LASIK , Traditional LASIK and PRK. He also performs the most modern no-stitch and small incision cataract surgery utilizing traditional intraocular lenses, toric implants for astigmatism, and premium multi-focal lenses including LifeStyle Lenses. He specializes in diagnosis, treatment and surgical management of glaucoma and corneal diseases, including MIGS (minimally invasive glaucoma surgery), full thickness (PKP) as well as partial thickness (DALK, DSEK, DMEK) corneal transplantation. Dr. Muallem is well published in peer reviewed literature and has presented his research at national and international meetings.


Schedule Appointment

Grand Rapids Ophthalmology has been West Michigan’s leading eye care provider since 1982, providing the most advanced technologies available, delivered by a committed, caring and dedicated team of doctors and staff. We are here for the lifetime of you and your family’s eye care needs. Schedule an appointment today to experience the Grand Rapids Ophthalmology difference.

Please call 616.949.2600 or email