Family Optical

Est. 1993


Our Eye Doctors

Tammy Hersch

Dr. Tammy Hersch, OD

Dr. Tammy Hersch earned her Associate of Science degree from Presentation College in Aberdeen, SD and her Bachelor of Science in Radiologic Technology degree from the University Of Mary in Bismarck, ND.  She then received her Doctor of Optometry degree from Pacific University in Forest Grove, Oregon in 1993.  Upon graduation she opened her optometric practice in Spearfish where she has been enjoying her profession since 1993.
She is a full scope practitioner and likes all aspects of optometry.  She enjoys patients of all ages from birth to geriatrics and takes a special interest in treating ocular diseases such as dry eyes, glaucoma, diabetes and macular degeneration management, co management of cataract and LASIK surgery patients, eye injuries and foreign body removal.
Dr. Hersch lives in Spearfish with her husband Patrick and their 2 children. They enjoy hiking, biking, skiing and following all of their children’s activities.

Eryn Caudill

Dr. Eryn Caudill, OD

Dr. Eryn Caudill is a Spearfish native who earned her Bachelor of Science Degree from Black Hills State University after graduating from Spearfish High School. She went on to complete a Doctorate of Optometry from the Illinois College of Optometry in Chicago, IL where she earned academic and clinical honors. She is certified by the National Board of Examiners in Optometry and the South Dakota State Board of Optometry. Dr. Caudill's professional affiliations include the American Optometric Association and the South Dakota Optometric Society.

In her spare time Dr. Caudill enjoys running, skiing, hiking, and traveling. She also enjoys spending time with friends and family as well as her husband and corgi.

Eryn Caudill

Pat Hersch, Office Manager

Along with Dr. Hersch, Pat has been with Family Optical since 1997.  With many years of optical experience comes great knowledge, ensuring that the office is running smoothly. Pat wears many hats, from eyewear selection and repairs to all around handy-man. You are sure to be greeted with a smile no matter the task, big or small!  In his free time, Pat enjoys skiing, hiking, golfing and spending quality time with his wife and two kids.

Eryn Caudill

Becca, Optician

Becca joined our team in 2019. She brings 8 years of experience as an Optician, pre-screening technician and excels in frame selection and adjustments. Since moving to Spearfish with her husband and dog, they have welcomed a new baby boy!  She enjoys spending time with her family as well as gardening, canning and hiking in her free time.

Bobbie, Optician

Bobbie started her Family Optical journey in 2012.  Over the last 8 years, she has mastered many duties in the office that range from eyewear selection to insurance and billing.  As a life-long Spearfish resident, Bobbie brings the home town feel as she usually knows you by name as you walk through the door. Bobbie enjoys spending time with her husband and 2 kids.  Along with following her kids in various activities, you can find her getting deals during peak garage sale season.

Christi, Optician

Christi has been with Family Optical since 2018.  She is very knowledgeable in insurance and billing, as well as meeting with frame representative to keep our frame boards filled with the most updated styles.  In her spare time, Christi enjoys spending time with her family and new grandchild as well as crafting!