Find a Specialist

Dr. Clay D. Holley is an ophthalmologist at Rocky Mountain Eye Center, seeing patients in Butte, Montana. He provides routine eye care and cataract implant surgery, helping patients understand their options and feel comfortable before, during, and after treatment. He graduated magna cum laude from Oklahoma State University with a degree in physiology, earned his medical degree from Duke University School of Medicine, and completed a Master of Public Health at the University of North Carolina at Chapel Hill. Dr. Holley finished his ophthalmology residency at the University of Texas Southwestern Medical Center. Dr. Holley values clear communication and practical guidance, whether you are coming in for a comprehensive exam or considering cataract surgery.

Dr. Janson Rigby is a general ophthalmologist who provides comprehensive eye care for adults, from medical retina and glaucoma management to relief for dry eye disease. He specializes in the surgical correction of cataracts and enjoys helping patients understand their options for visual rehabilitation. His style emphasizes listening, practical guidance, and close coordination with primary and specialty care to support long-term eye health. Dr. Rigby earned his medical degree from the West Virginia School of Osteopathic Medicine, followed by a transitional internship at MountainView Medical Center in Las Cruces, New Mexico. He completed ophthalmology residency at Grandview Medical Center in the Kettering Health Network, where he developed a passion for caring for a wide spectrum of eye disease. Outside of clinic, he enjoys time with family and the outdoors.

Dr. Russell Swan is a board-certified ophthalmologist who leads Vance Thompson Vision’s Montana locations and is known for his upbeat, educational approach to care. After completing a fellowship in advanced anterior segment surgery at Vance Thompson Vision in Sioux Falls, he accepted leadership roles in Bozeman and Billings, Montana. His clinical work includes LASIK, cataract surgery, and care for cornea and glaucoma conditions. He is also involved in clinical research, participating in FDA-monitored clinical trials and publishing on ophthalmology topics. Dr. Swan serves as an adjunct assistant professor at the University of Utah’s Department of Ophthalmology and Visual Sciences and supports global eye-care education through partnerships in Tegucigalpa, Honduras, where he helps train residents and improve access to vision-restoring care.

Dr. Hugh Emmett Wright is a comprehensive ophthalmologist who provides medical and surgical care for a wide range of eye conditions. He performs cataract surgery and offers minimally invasive glaucoma surgery (MIGS) for appropriate patients, along with ongoing management of common eye diseases. He completed his undergraduate studies at the College of Charleston and earned his medical degree at the Medical University of South Carolina. He went on to complete an ophthalmology residency at the University of Arkansas for Medical Science. In his practice, Dr. Wright aims to deliver up-to-date care, treat patients with the respect he would give family, and focus on restoring and improving vision so people can stay active in daily life.