Our Doctors... Dr. Bradley L. Isaak, M.D. Dr. Isaak was born in Charles City and grew up in Mason City. He attended the University of Iowa and received his medical degree in 1980. He spent 4 years at the Mayo Clinic as a resident physician in ophthalmology. As a board certified ophthalmologist, he began practice in Mason City in 1984.  He and his wife Cathy have been married since 1977. They have 3 children, Emily, Jeffrey, and Courtney. Dr. Isaak has served on many local boards and community projects. He enjoys exercising, watersports, skiing, and gardening. Dr. Randall S. Brenton, M.D. Dr. Brenton is a native of Mason City and received his medical degree from the University of Iowa with a degree in ophthalmology. He did a transitional internship at Gundersen Clinic in LaCrosse, Wisconsin. Dr Brenton completed a 6 month research fellowship, at the University of Iowa, in glaucoma with visual field research. While at Iowa, he developed flicker fusion as an office testing of optic nerve function. He returned to Mason City in 1988 to join the North Iowa Eye Clinic. He is certified in Lasik and Phototherapeutic Keratotomy (PTK). Dr. Brenton's wife, Cheryl, is also from Mason City, and they were married in 1980. They have three children, Claire, Janet, and Eric. His hobbies include wildlife art, fishing, and canoeing. Dr. James L. Dummett, M.D. Originally from Britt, Iowa, Dr. Dummett received his B.A. in Biology from Drake University in Des Moines and graduated from the University of Iowa Medical School in 1986. He interned at LaCrosse Lutheran / Gundersen Clinic in LaCrosse, Wisconsin and completed his residency in ophthalmology at the University of Wisconsin in Madison Wisconsin in 1990. Dr. Dummett was board certified by the American Academy of Ophthalmology in 1991 and joined the North Iowa Eye Clinic the same year. Dr. Mark D. Meyer Dr. Meyer was born in Hartley, Iowa. He received his B.S. in Biology from Buena Vista College in Storm Lake. Dr. Meyer attended the University of Iowa and received his Masters degree in hospital and Health Administration in 1993. He went on receive his medical degree and M.B.A. in 1997. He completed his Ophthalmology residency at the University of Wisconsin in 2001. Dr. Meyer and his wife Ann, who was born in Storm Lake, have been married since 1992. They have three children. He enjoys athletics, fishing, and gardening.   Dr. Brandt M. Riley Dr. Riley is a native of Lincoln, Nebraska and attended Nebraska Wesleyan University where he obtained an undergraduate degree in Biology. He received his medical degree from Kirksville College of Osteopathic Medicine in 2004 and completed his Ophthalmology Residency at Ohio University College of Osteopathic Medicine in June 2008. He and his wife Renee have been married since 1999 and have one son. Dr. Riley's interests include athletics, outdoor activities and Nebraska Cornhusker football. Dr. Kent H. Juffer, O.D. Dr. Juffer is a staff Optometrist at the North Iowa Eye Clinic / Village Green Optical. Dr. Juffer is a native of Decorah, Iowa. He is a 1975 graduate of the University of Minnesota with a B.S. degree in Zoology and he is a 1979 honor graduate of the Illinois College of Optometry. Dr. Juffer and his family have resided in Mason City since 1985. His interests include hunting, fishing, trapshooting, and canoeing. Dr. Vonda Capper Dr. Vonda Capper is a staff Optometrist at North Iowa Eye Clinic / Village Green Optical. Dr. Capper is originally from West Branch, Iowa. She graduated from Iowa Wesleyan College in Mount Pleasant, Iowa with a B. S. in Life Science. She is a 1994 graduate of Illinois College of Optometry in Chicago, Illinois. Dr. Capper and her husband, Kevin have lived in Mason City since 1996. They have three children , Meghan, McKenzie, and Kylee. Her hobbies include athletics, camping, and knitting.