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Order Contacts Here
Request an Appointment
Meet Our Doctors
Read Our Reviews
Home » Our Eye Doctors

Our Eye Doctors

Eye care professionals specialize in understanding how the human eye really works, as well as diseases and conditions that affect your vision – many of which do not have obvious symptoms. Eye doctors know how age and risk factors affect vision over time for young and old, and they understand the benefits and features of corrective lenses including eyeglasses and contacts.

Our optometrists take the time to explain the results of your eye exam, describe your options and listen to your eye care needs. Because maintaining good eye health is an ongoing partnership, we encourage you to ask questions and share your health information, which could be vital to monitoring, diagnosing and treating potential vision problems.

Meet our doctors:

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Thomas K. Marsh

Optometrist

Dr. Thomas K. Marsh O.D. has practiced optometry in Oconomowoc since May of 1976. He was born and raised in Rockford, Illinois. After graduating from Illinois Wesleyan University with a biology major, he and his wife, Laina, moved to the state of Oregon where he graduated in 1975 from the Pacific School of Optometry in Forest Grove.

During his years in Oconomowoc, Dr. Marsh has served as president, vice president, and secretary/treasurer of the local Kettle Moraine Optometric Society, and maintained membership in the state and national societies, Wisconsin Optometric Assoc. and American Optometric Assoc. He has also been very active in church activities, volunteering time for committees, and teaching adult education classes. Dr. Marsh’s favorite hobbies include flying radio-controlled airplanes, boating the beautiful Wisconsin lakes, and amateur radio. He also maintains membership in clubs associated with these hobbies.

Dr. Marsh prides himself in getting to know his patients, how they use their eyes in their daily activities, including work, home and recreation, so he can help meet all their visual needs.

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Jennifer J. Hillmann

Optometrist

Dr. Jennifer Hillmann is originally from Fennimore, in southwestern Wisconsin. She earned her undergraduate degree from the University of Wisconsin-Platteville with a major in Pre-Optometry/Zoology. She was awarded a Doctor of Optometry degree from the Indiana University School of Optometry in 2005.

Dr. Hillmann is a member of the American Optometric Association, the Wisconsin Optometric Association, and the Kettle Moraine Optometric Association. She is also a provider for the InfantSEE program.

After a time living and working in the Green Bay area, Dr. Hillmann and her husband recently moved to this area to be closer to family and friends. In their free time, they enjoy attending Badger athletic events, golfing, and water sports.

Dr. Hillmann believes that having a comprehensive eye examination is not only about correcting blurred vision, but also about maintaining the overall health and improving the quality of life of her patients.

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Amber E. Bartels

Optometrist

Dr. Bartels has been involved in eye care since 2004. Originally born in Nebraska, she grew up in Watertown, Wisconsin. After graduating from the University of Wisconsin, Green Bay, with a “Human Biology” major, she attended Illinois College of Optometry and was awarded a “Doctor of Optometry” degree in 2008. She is presently a member of the American Optometric Association and the Wisconsin Optometric Association. After practicing in Bangor, Maine for several years, Dr. Bartels recently moved back to Wisconsin to be closer to family and friends.

In her free time, Dr. Bartels enjoys disc golf, reading, and cheering for the Packers. Dr. Bartels enjoys seeing new patients and believes that having regular comprehensive eye exams is important not only for correcting their vision but also for the prevention of ocular complications and diseases.

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Anna N. Hetzer

Optometrist

Dr. Anna Hetzer O.D. grew up outside of Waunakee, Wisconsin. She attended the University of Wisconsin-La Crosse and graduated with a biology major and French minor. During college, Dr. Hetzer worked at an eye clinic as an optician and was able to go on an eye mission in Peru where she fell in love with patient care. While at UW-La crosse she very much enjoyed visiting her roommate from Oconomowoc, where she fell in love with the town! After college, Anna followed in Dr. Marsh’s footsteps and attended Pacific School of Optometry in Oregon where she met her fiance, Joel. Go Boxers!

Dr. Hetzer enjoys the outdoors and anything that goes with it! As long as it doesn’t involve extreme heights or cold. When not looking at patients eyes, you can find Anna cooking new recipes, biking, running, playing volleyball, hiking, boating, petting other people’s dogs, mushroom hunting, traveling (or at least dreaming of it!), cross country skiing and speaking amateur french while drinking wine and eating cheese.

Dr. Hetzer loves getting to know her patients and making them see clearly and comfortably! She has worked with patients of all ages in almost every corner of the country, including an Air Force Base in South Carolina, private practice in Illinois, a VA in Pennsylvania, and a LASIK center in Colorado. Her true passion is in finding a contact lens that is right for you!