Welcome to
Drs. Kincaid, Fett & Tharp
Dr. David Kincaid graduated from Illinois College of Optometry in 1977. He grew up in Columbus, Nebraska and attended college in Columbus and St. Louis, MO.
After graduation, he practiced in Wayne for one year with Drs. Bill and Don Koeber. In 1978, he moved to South Sioux City, NE and started his current practice.
Dr. Kincaid has served on numerous church and community boards and committees, including president of the South Sioux City Chamber of Commerce and is currently on the fundraising committee for Northeast Nebraska Community College. In 1987, the Nebraska Jaycees named him their Outstanding Young Nebraskan. He is an active member of the Southern Hills Baptist Church.
Dr Kincaid is a life-long member on the American Optometric Association and the Nebraska Optometric Association. He has served on the Nebraska Optometric Association Board for several years and was President of the NOA in 1993. During that year, he introduced us to a program we now call See to Learn. He has also served on the North Central Board. He was the Nebraska Optometric Association's "OD of the Year" in 1999 and in 2009 received the Nebraska Optometric Association's "Distinguished Service Award".
Dr. Kincaid served on the Board of Directors for Hi-Tech Optics since 1982 and was on the advisory board for the Beacon Eye Institute in Toronto, Canada from 1994-97. He has been a member of the South Sioux City Rotary Club since 1978 and became a Paul Harris Fellow in 2000.
He has strongly supported all the Association's legislative efforts in both in financial contributions to PAC and legislative funds as well as being a Key Person for the senator in his legislative district. He is currently on the fundraising committee for the current legislative effort Operation Prairie Fire and has testified at the legislative hearings on behalf of optometry. In 2000, he was appointed to the Nebraska Board of Optometry, served as the Board Chairman for four years and will complete his second five-year term in 2010.
Dr. Kincaid is an avid outdoorsman, and especially enjoys hunting deer and wild turkeys and recently went on a moose hunt to the Yukon Territory. He has bred Paso Fino horses at Thunderbird Farms since 1987. He and his wife Diana have two sons. Sam and Dan, Sam and his wife Erica are the proud parents of Dave and Diana's grandchildren, a  girl named Jaycie Shayne and a boy named Arlington Milo.  Dan joined the practice in 2013.

Dr. Janet Fett has her undergraduate degree from Minnesota State University at Mankato and worked as a microbiologist prior to receiving her Doctor of Optometry and Masters in Physiological Optics from The Ohio State University.
After graduation, she completed an ocular disease residency at the Omaha Eye Institute. In 1989, she joined Dr. Kincaid in South Sioux City. She grew up in the Sioux Falls area.
Dr. Fett lives in South Sioux City with her daughters Katie and Sara. The girls keep her busy, but they enjoy the times they can all get away; especially when they go to Spearfish Canyon in SD. Dr. Fett is her family's historian and has researched her genealogical roots back to Europe and has been in contact with "cousins" from all over. She also enjoys reading.
Dr. Fett has served many years on the Boys and Girls Home of Nebraska Board and the Health Care Advisory Board for the Siouxland Family Center. She is a life long member of the Nebraska Optometric Association and has served as its President as well as board & committee member.
Dr. Fett's awards include 1991 Young OD of the Year, 2001 Optometrist of the Year, 1996 Optimist of the Year and has received the South Sioux City Volunteer award for her work with Special Olympics in 2008. For several years, she has participated in the Special Olympics Opening Eyes program, where athletes can receive vision screenings and basic eyewear. She was one of 140 Opening Eyes volunteers to participate in the Special Olympics National Games held July, 2010 at the University of Nebraska at Lincoln. 

Dr. Sharon Tharp received her Doctor of Optometry in 1983 from Indiana University. She completed externships at the Veteran’s Administration hospitals in Cleveland, OH, and Vancouver, WA, as well as Wesley-Jessen Contact Lens Company in Chicago.
She practiced in Indiana, California, and Oklahoma prior to joining the practice here in 1993. She is currently on staff at Carl T. Curtis Health and Education Center in Macy, NE, and the Winnebago Hospital in Winnebago, NE.
Dr. Tharp lives in Sioux City with her husband, Dr. Wing Hsieh. They have three grown children who were all very involved in music and sports at the high school level.
Dr. Tharp plays the piano and violin and is a member of the First United Methodist Handbell Choir. She has also been seen on the stage at LAMB Productions and the Sioux City Community Theater.
She is a former board member of the Siouxland Youth Symphony and leads the Worship Committee at church.
Dr. Tharp is a member of the American Optometric Association, the Nebraska Optometric Association, and has volunteered for Opening Eyes at the Nebraska Special Olympics and the National Games.
She currently serves on the Iowa Board of Optometry and is especially interested in fitting specialty contact lenses for those pathologies where patients cannot achieve good vision by any other means. 




Dr. Dan Kincaid is the newest doctor at KFT Vision.  He graduated from Indiana University College of Optometry in 2013.  His training has taken him to medical centers of Indianapolis, Indiana, Salt Lake City, Utah and Omaha, Nebraska. 


He is the son of Dr. Dave and Diana Kincaid and grew up in Nebraska.  He attended  Mount Marty College and received a biology and business degree.  He completed his pre-optometry training at North Dakota State University and Morningside College.  


He enjoys hunting, fishing, skiing and the great outdoors when he is not seeing patients.