Mark Kahrhoff, OD


Dr. Kahrhoff joined Complete Vision Care in 2009. Prior to joining, he served in the USAF at Keesler Air Force Base, where he founded a specialty contact lens service and directed the Student Extern Program with responsibility for clinical training of optometry students from across the country.

Dr. Kahrhoff has taught at the University of Missouri College of Optometry in the areas of systemic and ocular pharmacology, ocular anatomy and physiology, physiological optics, and problem-based clinical analysis.  He has developed contact lens education programs for Air Force optometrists and ophthalmologists and lectured military physicians on evaluation of eye trauma.

Dr. Kahrhoff is a lead author and inventor on multiple patent applications filed with the US Patent Office for innovations in ocular drug delivery and regenerative ocular medicine.  Dr. Kahrhoff was among the first optometrists to provide platelet rich plasma therapy to patients with dry eye diseases.  He is a co-inventor of "The Electronic Eyelid," a prosthetic blinking device designed for a child who had lost his ability to blink due a brain tumor and "The Freedom Reader," a low vision aid that converted printed text to speech.
Dr. Kahrhoff practices the full scope of optometry and enjoys seeing patients of all ages.  He resides in Webster Groves.  He is currently accepting patients at Webster Groves on Wednesdays, Thursdays, & Saturdays, and Festus on Mondays, Tuesdays, Fridays, and Saturdays.

While not seeing patients, he enjoys spending time with his wife and twin daughters. ​

Derek Wiles, OD
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Dr. Wiles joined Complete Vision Care in June of 2011.

Dr. Wiles enjoys seeing patients of all ages and practices a full scope of optometry including the management of cataracts, glaucoma, macular degeneration, diabetes, eye infections, red and sore eyes, contact lenses, and pediatric eye care.

Dr. Wiles graduated with honors from the University of Missouri – St. Louis College of Optometry in May of 2011. During his training, he gained experience through clinical rotations at the Kansas City VA Medical Center, Barnes-Jewish Hospital and Center for Advanced Medicine and St. Louis University Eye Institute.

Dr. Wiles is a member of the American Optometric Association and Missouri Optometric Association.  He is a member of the St. Francois County Rotary Club, a member of the Chamber of Commerce, and a youth leader at his church.
Dr. Wiles is currently accepting patients at Leadington on Mondays, Tuesdays, Thursdays, Fridays, & Saturdays, at Festus on Wednesdays and Saturdays.

​Dr. Wiles resides in Farmington with his wife, Katelyn, and their three young children, Kathryn Addelyn, and Wes. When not in the office, he enjoys spending time with his family and outdoors.

Christopher Brenon, OD

After graduating with honors from Southern College of Optometry in Memphis, TN in 1997, Dr. Brenon practiced primary care optometry in the Columbia, MO area for 2 years and then joined the doctors at Complete Vision Care in 1999. He is a member of the Missouri Optometric Association and the American Optometric Association.

Dr. Brenon practices full-scope optometry under his therapeutic license. Such practice includes diabetic eye evaluations, bifocal contact lens fitting, LASIK consultation, and a myriad of other optometric services.

Dr. Brenon is currently accepting patients on Mondays, Wednesdays, Thursdays, and Saturdays at Leadington.

Dr. Brenon grew up in Bonne Terre where he still resides with his wife, Stephanie, and sons, Noah and Colt.

Michelle Spray, OD
Dr. Michelle Spray joined Complete Vision Care in July of 2015. Dr. Spray previously owned an independent private practice in Bonne Terre, MO and has provided Optometric care in this area since 1998.  Though her practice location has changed, Dr. Spray continues to be committed to providing all patients the highest quality vision care and superior service.  

Dr. Spray earned her Doctorate of Optometry degree with honors from the University of Missouri St. Louis School of Optometry in 1995.  She practices full scope Optometry, and cares for patients of all ages.  She is experienced in the diagnosis and management of cataracts, glaucoma, diabetic eye disease, macular degeneration, and pre- and post- operative care.  She specializes in pediatric vision care and specialty contact lens fitting. 
Dr. Spray welcomes existing patients, and gladly accepts new patients at the Leadington office on Wednesdays, Fridays and Saturdays. 

Dr. Spray is also privileged to be affiliated with a non-profit eye and health care organization serving the St. Louis Metro area and surrounding counties.  She serves underprivileged children by providing eye examinations and dispensing glasses on the Ronald McDonald Care Mobile through school districts in Missouri and Illinois. 

Dr. Spray grew up in Farmington, MO and has resided in rural Sainte Genevieve County since 1998.  She is involved in her spare time with volunteer activities in the community as well as her local church.  She enjoys time with her husband, Charlie and their three children, Shawn, Emily and Hanna.  ​

Evan Williams, OD
Dr. Williams joined Dr. Jones in 1975 and has been serving the Parkland community ever since. After growing up in Bonne Terre, he earned his doctorate of optometry from Southern College of Optometry in Memphis, TN. He is a member of the Missouri Optometric Association and the American Optometric Association.

As a licensed therapeutic optometrist, Dr. Williams treats a wide spectrum of ocular conditions from the fitting of glasses and contact lenses to the diagnosis and treatment of eye infections and glaucoma. He is also certified to fit the orthokeratology (corneal reshaping) system called CRT. You can read more about this contact lens procedure by clicking the Specialty Contact Lens link.

Dr. Williams is currently accepting patients on Tuesdays at Leadington.

Dr. Williams resides in Farmington with his wife Colleen. When not in the office, the two of them enjoy spending time with their three children and six grandchildren.

John Crane, OD
Dr. Crane joined Complete Vision Care in the fall of 2014.  Previously, Dr. Crane has practiced in the St. Louis metro area in various modes of practice.  For over 10 years he taught ocular disease and clinical problem-solving in the classroom and clinics at the College of Optometry at the University of Missouri–St. Louis, with special interest in glaucoma, ocular infection, and ocular surface/dry eye disease.  He has worked extensively with Dr. Kahrhoff on the use of platelet-rich plasma for the treatment of ocular surface disease.    

Dr. Crane is currently accepting patients on Mondays, Tuesdays, Thursdays, Fridays, and Saturdays.

 Dr. Crane was raised in the Washington, Missouri area, and now resides in Washington.  He serves on the church council of Zion United Church of Christ in Union, Missouri.  When not seeing patients, Dr. Crane enjoys spending time with his partner Karissa and son Ian, as well as canoeing, hiking, camping, and reading.

Complete Vision Care Staff
The remaining members of our staff at Complete Vision Care include board certified opticians with the knowledge and expertise to handle all of your eyewear needs. Our insurance specialist can answer any question you may have regarding your vision or medical plans.  The front office is rounded out with our optometric technicians and receptionists who are available to greet you and prepare you for your examination as you begin your experience at the office.