Dr. Ryan Diel

Dr. Tyler B. Risma is an ophthalmologist who provides comprehensive eye care and a wide range of in-office and surgical treatments. His clinical work includes cataract surgery and refractive lens exchange, along with laser procedures such as YAG laser capsulotomy and retina laser. He also offers retina injections and glaucoma laser and surgery when appropriate. Dr. Risma joined Fuerste Eye Clinic in 2018. He completed his medical education at the University of Iowa Carver College of Medicine and trained in ophthalmology at the University of Iowa Hospitals and Clinics. In addition to vision-restoring procedures, he performs eyelid-focused care such as blepharoplasty and other eyelid surgery, and he provides medical eye exams for patients who want ongoing, relationship-based care. Dr. Risma’s approach emphasizes clear explanations, thoughtful treatment selection, and follow-up planning so patients feel confident at every step.

Dr. Ben J. Janson is a board-certified ophthalmologist who provides comprehensive medical and surgical eye care, with a focus on helping patients see clearly and protect their vision over time. He performs cataract surgery and refractive lens exchange and offers ongoing care for conditions that require careful monitoring and treatment. Dr. Janson has particular interests in treating medical retinal disease and in both medical and surgical management of glaucoma. In addition to in-office procedures such as retinal injections and retinal laser treatment, he treats common post-cataract concerns with YAG laser capsulotomy and provides eyelid procedures when appropriate. Originally from Mason City, Iowa, Dr. Janson completed undergraduate studies at Iowa State University and earned his medical degree from Johns Hopkins University School of Medicine. He returned to Iowa for an internal medicine internship and ophthalmology residency at the University of Iowa. He remains engaged in education and academic work while keeping care practical, personalized, and patient-centered.

Dr. Tina M. Hendricks is an ophthalmologist whose interests span anterior segment disease, uveitis, and complications of cataract surgery. She is committed to thoughtful, patient-centered care—listening carefully, explaining findings in accessible terms, and aligning treatment with each person’s goals. Her academic work includes contributions to the University of Iowa EyeRounds teaching platform on topics such as HLA-B27 acute anterior uveitis, uveal lymphoma, chemotherapy-related keratoconjunctivitis, capsular block syndrome, and ocular ischemic syndrome. Dr. Hendricks completed ophthalmology residency at the University of Iowa. She earned her MD from the Mayo Clinic Alix School of Medicine, an MS in Vision Science from the University of New South Wales, and a BS in Biomedical Engineering from Arizona State University.