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Doctors & Staff

Meet the experienced and friendly doctors and staff who make Prairie Eye Clinic the leading provider of vision care products and services in Vermillion.


Cynthia Johnson, OD7135

Dr. Johnson was born and raised on a farm 6 miles west of Hurley, SD. She is a graduate of Hurley HS then Augustana College in Sioux Falls before attending the University of Houston College of Optometry. In 1983, she graduated Gold Key Honor Society from UHCO. She and her husband, Dr. Kevin Brown, have been in their private optometric practice since 1983 in Vermillion.  Dr. Johnson is a member of the American Optometric Association, the South Dakota Optometric Society, and Vermillion Chamber of Commerce. Dr. Johnson is an Academic Associate Professor for the Physician Assistant studies program, School of Health Sciences, at the University of South Dakota.


Kevin M. Brown, OD7117

Dr. Brown was born in Auburn, NE and remains a Husker fan to this day. He is a graduate of Auburn HS and then attended Kearney State College in Kearney, NE before attending the University of Houston College of Optometry. He received both his BS from the University of Houston and Doctor of Optometry (OD) from UHCO in 1983. He and his wife, Dr. Cindy Johnson, have been in their private optometric practice since 1983 in Vermillion.  Dr. Brown is a member of the American Optometric Association, the South Dakota Optometric Society, and Vermillion Chamber of Commerce. Dr. Brown is an Academic Associate Professor for the Physician Assistant studies program, School of Health Sciences, at the University of South Dakota.


Clarence Vanderlei, OD7129

Clarence Vanderlei grew up on a farm outside of Avon, South Dakota. After graduating from Avon high school, he went on to receive his Bachelor of Science in Biology from the University of South Dakota. He graduated Magna Cum Laude May 2016 with his Doctorate in Optometry from the University of Houston College of Optometry.  Dr. Vanderlei is a member of the American Optometric Association, the South Dakota Optometric Society, Rotary Club of Vermillion, and Vermillion Chamber of Commerce. Dr. Vanderlei is an Academic Associate Professor for the Physician Assistant studies program, School of Health Sciences, at the University of South Dakota.


 

 LacyLacy Donnelly- Office Manager

Lacy is originally from Ivanhoe, Minnesota where she graduated high school. She attended Western Iowa Tech in Sioux City, Iowa with a degree of Pharmacy Technician. Lacy lives on a farm by Elk Point with her husband Mark and daughter Leah.


Katie Buum- Optical Manager

Katie grew up in Elk Point, SD and graduated from Elk Point Jefferson in 2005. She attended Stewart School of Cosmetology. She lives in the country between Akron and Alcester.

 

 

 


Amanda Wall

Amanda was born and raised in Sioux City, Iowa. She graduated from North High School in 2005 and was in the Iowa Army National Guard from 2004-2010. Amanda then moved to Elk Point in 2010 with her husband Cody, son Ashton, and daughter Alexis.

 

 

 


Terri Treiber

Terri is originally from Hawarden/Ireton area. She moved to Vermillion in July of 2016 with her husband, Brian and daughter, Madison. Their son, Jonathan lives and works in Brookings. Terri’s hobbies include watching her daughter play softball and stamping cards.

 


Lauren Nelson

Lauren is Junior at USD this fall. She is from Aberdeen, SD and graduated from high school there.

 


Kelsey Waiter

Kelsey is from Yankton, SD. She graduated from Yankton High School in 2010. She then attended the University of South Dakota where she received her degree in psychology. Kelsey lives in Vermillion, SD.

 

 


Heather Knudson

Heather is from Centerville, SD where she graduated high school. She attended Southeast Technical College in Sioux Falls, SD with a degree in medical secretary. Heather lives in Centerville with her two boys Dawson and Dalton.

 

 


Taylor Weidenbacher

Taylor was raised in Sioux Falls and attended Lincoln High School where she studied theater and Makeup design. She became a makeup artist with Estee Lauder. She bought a house in Vermillion with her boyfriend, where they live with their son, Oliver and two cats.


Tina Girard

Tina grew up in Elk Point, SD and graduated from Elk Point-Jefferson High School in 2000. She then went to school in Sioux Falls for cosmetology at Hair by Stewarts and graduated in 2001. She worked as a cosmetologist for 5 years before starting with Prairie Eye Clinic in August of 2006.  She lives in Jefferson with her husband Jesse, son Grayson, and daughter Brystal.  Tina is ABO certified.