At Oregon Eye Physicians & Surgeons, we are committed to offering the best solutions for your eye health and vision. You’ll find that our staff, technology and services are all thoughtfully orchestrated to give you the time and attention you deserve. We specialize in you.
Our doctors are caring professionals dedicated to improving your vision. They are board-certified to treat a range of eye diseases and conditions, including glaucoma, cataracts, macular degeneration, eye infections and diabetic complications. Their focus is always to guide you to the safest and most effective treatment.
Bruce W. Madsen, M.D.
Physician & Surgeon
Dr. Madsen is a board certified ophthalmologist who has been practicing at Oregon Eye Physicians and Surgeons since 2012. He grew up in Idaho and completed his undergraduate degree at Brigham Young University. He went on to graduate with honors and a Masters degree in Business Administration and Health Services Administration from Arizona State University. He took his love of hospital administration further and completed his medical school training at Finch University Health Sciences/The Chicago Medical School. Dr. Madsen then served as chief resident at the University of Texas Health Science Center where he developed skills in the latest technique of cataract surgery with refractive IOLs, as well as treatment for glaucoma, strabismus, and ocular plastics. He also provides emergency and routine eye care for children and adults.
Dr. Madsen enjoys working closely with optometry. His record shows that he is a strong advocate for building and maintaining strong relationships between optometry and ophthalmology.
He and his wife and their six children are very involved with their church. He is passionate about helping people. His interests include working with the Special Olympics, golfing, tennis, skiing, fishing, playing softball, and spending time with his family.
Landon Karren, D.O.
Physician & Surgeon
Dr. Karren is a board certified ophthalmologist who has been practicing at Oregon Eye Physicians and Surgeons since 2016. Born and raised in Northern Utah, Dr. Karren spent his youth outdoors playing sports, camping, hiking, and skiing. Graduating from Utah State University with a degree in Chemistry and Public Health, Dr. Karren continued his passion for the health sciences by conducting research at OHSU Casey Eye Institute where he published several papers on therapeutic approaches to uveitis and autoimmune retinopathy. He then went on to attend medical school at Touro University Nevada where he graduated with honors and was elected a member of the Sigma Sigma Phi Medical Honors Society. Dr. Karren finished his training at Ohio University-Grandview Medical Center in Dayton, Ohio, completing a traditional internship and ophthalmology residency where he served as chief resident. Dr. Karren provides comprehensive eye care for adults and children and treats ocular diseases such as; cataracts, glaucoma, retinopathy, and macular degeneration.
Dr. Karren enjoys visiting the Oregon Coast and has summited both Mt. Hood and Mt. St. Helens. He is an avid golfer and skier. He values spending time with his wife and their four boys.
Tomas A. Lopez M.D.
Physician & Surgeon
Dr. Lopez was born and raised in Napa, California. He received a bachelor degree of science in chemistry from Pacific Union College. He went on to complete medical school in Loma Linda University School of Medicine, graduating with Alpha Omega Alpha honors. Dr. Lopez then went on to complete his transitional year of internship at Kettering Medical center in Kettering, Ohio. Dr. Lopez returned to Loma Linda University where he completed his ophthalmology residency followed by a medical retinal fellowship.
Dr. Lopez is an ophthalmologist specializing in medical retina. He has a background in treating comprehensive ophthalmology problems such as cataracts, glaucoma, dry eye and ocular trauma. Additionally, he is specially trained in the diagnosis and treatment of retinal conditions such as macular degeneration, diabetic retinopathy, retinal vascular diseases, chorioretinal degenerations and uveitis.
Dr. Lopez’s patient care philosophy is to provide up-to-date evidence-based care while tailoring it to each individual’s unique background and needs.
In his free time Dr. Lopez and his wife enjoy hiking in national parks, photography and trying new restaurants.
Erika Bury, O.D.
Dr. Bury was born and raised in Maryland. Her undergraduate work was completed at Virginia Polytechnic and State University in 2009 where she earned her Bachelor of Science degrees in biology and nutrition with minors in psychology and chemistry. She went on to the New England College of Optometry in Boston, Massachusetts and in 2014 received her doctorate degree in Optometry. She is currently working towards a Masters in Nutrition.
Dr. Bury has been practicing at Oregon Eye Physicians & Surgeons since 2016. She will be working together with the other doctors performing full scope care including vision exams, contact lens fittings as well as medical care for all patients.
Dr. Bury enjoys traveling, hiking, swimming, competing in triathlons and playing lacrosse. She is also an active member of the Leukemia and Lymphoma society as an ambassador for the Team in Training program.