Dr. David Bjork, O.D.



Dr. Bjork received his Optometric Degree from the Indiana University School of Optometry in May of 2001. The training provided a very broad understanding of Optometry.  Dr. Bjork has practiced Optometry in New York, Illinois, and now in his home state of Wisconsin.  He practices with the philosophy that the patient comes first and emphasizes the ability to improve the quality of patients daily lives through better vision. His primary focus is on family vision care, which includes eye health examinations, contact lenses, children's vision and LASIK co-management.  Dr. Bjork has the latest state-of-the-art technology which allows for early diagnosis and treatment of patients with cataracts, glaucoma, diabetic retinopathy, macular degeneration, along with other vision pathology.


Outside of work Dr. Bjork enjoys spending quality time with his wife and 4 amazing children.  The entire family enjoys spending time outdoors.   They enjoy camping, hiking and taking in all of the fun local activities and community events.



Dr. Desiree Herron, O.D.

Dr. Desiree Herron is a native to the Lake Country area and currently resides in Sullivan, Wisconsin.  She graduated from Carroll University in Waukesha, Wisconsin in 2005.  She received her Doctor of Optometry degree from The New England College of Optometry in Boston, Massachusetts in 2009.  She has worked at various optometry practices in Boston, Waukesha, Milwaukee, and Oconomowoc.  Dr. Herron is a member of the Wisconsin and American Optometric Associations and is also active in school vision screenings as well as a participant of the InfantSEE program.   Dr. Herron practices primary care optometry including the diagnosis, treatment, and prevention of ocular disease.  She enjoys seeing patients of all ages, and has a passion for pediatric optometry.  Dr. Herron strives to educate the community on the importance of annual eye exams for children of all ages.  “I am passionate about pediatric optometry, because I love to watch my patients grow and develop.”  She also places a strong emphasis on patient education and prevention.  

In her free time, Dr. Herron enjoys spending time with her amazing husband, two baby boys, and her puppy.  They all enjoy spending time outdoors and exploring the beautiful Lake Country area.


Jason Procto, Certified Optician and Co-Owner

Jason has worked in the optical industry for over 11 years. He started as a sales associate and worked his way up to managing high profile chain locations. Jason is an A.B.O certified optician and believes that ongoing education is essential to ensure the highest patient care. Now that Jason has made the move to our independent practice, he is excited to apply his skill set to create the best environment for an ideal customer experience. Jason believes that right product is just as crucial as the most accurate prescription and strives to achieve that for each and every patient.
When Jason is not working, he enjoys spending time with his family. He lives in Oconomowoc with his wife and three children. Jason was a high level competitive swimmer and competed in the English Olympic trials. Now, he spends his time in the pool coaching the next generation in hopes that they will gain as much from swimming as he did.




Erik Mathison, Operations Manager and Certified Optician


Erik has worked in leadership in the optical industry for over 8 years.  He has managed several eyeglass clinics in Wisconsin, Colorado, and Illinois.  He is an A.B.O. Certified Optician and excels at finding solutions for every optical need.  He is excited to be reunited with Dr. David and Jason, and to help them build on the great service and quality Oconomowoc Vision Clinic has always delivered.  Erik has a Bachelor of Science degree from the University of Wisconsin-La Crosse and a teaching degree from Metro State University of Denver.


Erik recently bought a home in Oconomowoc with his wife and two young sons.  He is an avid outdoorsman who misses the mountains of Colorado, but is very happy to be home in the great state of Wisconsin near family and friends. 


Lynn - Insurance Specialist


Lynn has been in the optometric industry for many years and has taken on many different tasks in her career. She started out in Arizona running the largest optometric private practice in the state. With her experience in the industry she has been able to expertly guide patients and staff in contact lens evaluations. Lynn is the friendly voice that patients speak to regarding insurance and billing. Her extensive knowledge within the field of optometry is refreshing to both patients and staff. Away from work, Lynn enjoys spending time with her family, reading, playing piano, and is actively involved with her church. 



Mariah-Optometric Assistant, A.B.O. and N.C.L.E Certified



Mariah has been a part of our team for the last couple of years, and has a strong desire to positively impact each and every patient she encounters.  She is now a certified N.C.L.E and A.B.O. optician which is a huge asset in fulfilling our patient's medical and contact lens needs. Mariah has proven to be a very driven optometric technician and provides a very high level of care with great efficiency. Outside of work, Mariah likes to spend time with her family and close friends, and also likes to hike the local nature trails.