Keith Rasmussen, OD

Sioux Falls, SD

Dr. Rasmussen is a Fellowship-trained optometrist and one of the first members of Vance Thompson Vision’s doctor team. He brings a wealth of knowledge and experience to his patients’ care, the optometry field, and his co-workers. Read More


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Meet Dr. Rasmussen

Dr. Rasmussen has spent the majority of his career with Vance Thompson Vision. He is a current member of the American Optometric Association, the South Dakota Optometric Society, and the Nevada Optometric Physicians Association. Dedicated to helping patients achieve their best vision and eye health, Dr. Rasmussen is generous with his time and expertise. He is specifically trained to diagnose and facilitate treatment for disorders, diseases, and injuries to the eye.


  • Mount Marty College, Yankton, SD
  • Pacific University College of Optometry, Forest Grove, OR
  • Eye Care Associates of Nevada Fellowship

Personal & Hobbies

Keith and wife, Sara, have four children. He grew up on a farm near Howard, SD, learning to hunt pheasants and waterfowl, fishing in Lake Thompson, and practicing shooting sports with his father. He continues these beloved activities today with his own children as often as possible.

Prioritizing Research

Dr. Rasmussen is highly regarded in his field as an author and researcher. In the early 2000s, he conducted and published a study entitled An Epidemiological Overview of Pediatric Visual Impairment in the State of Oregon. Dr. Rasmussen continues to pursue research projects through his role at Vance Thompson Vision and has been part of more than 50 research studies during his time at Vance Thompson Vision.

Our Research

Schedule a Consultation

Dr. Rasmussen is a member of Dr. Thompson’s team. To schedule a consultation with the Thompson team, simply call the number below or click Contact Us, and we’ll be in touch shortly. We are honored by the opportunity to serve you.

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