For patients who require specialized eye care, including vitreoretinal, glaucoma, cataract, and surgical services, we are pleased to offer access to visiting specialists at our Yankton office. These highly trained physicians are affiliated with Ophthalmology Ltd. in Sioux Falls and provide expert care locally for the convenience of our patients. By bringing specialty services closer to home, we help patients receive advanced treatment without the need for extensive travel.
Retina specialist

Dr. Elizabeth Atchison, MD
Retina Specialist
Dr. Atchison specializes in the diagnosis and treatment of retinal diseases and performs advanced vitreoretinal surgical procedures aimed at preserving and restoring vision. She is committed to providing exceptional patient care through a combination of clinical expertise, surgical precision, and compassion.
Dr. Atchison specializes in the diagnosis and treatment of retinal diseases and performs advanced vitreoretinal surgical procedures aimed at preserving and restoring vision. She is committed to providing exceptional patient care through a combination of clinical expertise, surgical precision, and compassion.
Dr. Atchison earned her medical degree from Northwestern University Feinberg School of Medicine in Chicago, Illinois. She completed her residency training through the University of South Dakota and Mayo Clinic before pursuing specialized fellowship training in vitreoretinal surgery at Illinois Retina Associates and Rush University in Chicago, Illinois.
With more than seven years of experience in the field of retina care, Dr. Atchison provides expert evaluation and treatment for a wide range of retinal conditions, including macular degeneration, diabetic retinopathy, retinal tears, and retinal detachments.
Dr. Atchison sees patients at Willcockson Eye Associates two Thursdays each month by referral from your optometrist or eye care provider.
Primary Practice Location
Ophthalmology LTD – Main Office
6601 S Minnesota Ave, Ste 200
Sioux Falls, SD 57108
(605) 336-6294
(800) 888-1433
Glaucoma & Cataract Surgeon

Dr. Karen Dickes, DO
Glaucoma, Cataracts
Dr. Dickes is a comprehensive ophthalmologist who combines advanced cataract and glaucoma care with a compassionate, patient-centered approach. She is dedicated to helping patients understand their eye health and treatment options, making even complex care feel clear and approachable.
Dr. Dickes is a comprehensive ophthalmologist who combines advanced cataract and glaucoma care with a compassionate, patient-centered approach. She is dedicated to helping patients understand their eye health and treatment options, making even complex care feel clear and approachable.
Dr. Dickes earned her medical degree from Des Moines University College of Osteopathic Medicine. She completed her ophthalmology residency at Grandview Hospital in Dayton, Ohio, followed by specialized fellowship training in glaucoma at Eye Consultants, P.C. in Omaha, Nebraska. She has been practicing ophthalmology since 2011.
Dr. Dickes specializes in cataract surgery, medical and surgical glaucoma management, and comprehensive ophthalmic care. She is committed to preserving vision and improving quality of life through personalized treatment plans and the latest advances in eye care.
Primary Practice Location
Ophthalmology LTD – Main Office
6601 S Minnesota Ave, Ste 200
Sioux Falls, SD 57108
(605) 336-6294
(800) 888-1433