Zachary M. Oswald, O.D.

Dr. Oswald purchased Precision EyeCare and Optical from Dr. Kepp in July of 2018.

Dr. Oswald is from Idaho Falls and graduated from BYU-Idaho. He has lived in Argentina, is fluent in Spanish, and was a member of the national collegiate Hispanic honor society. He was also a member of the international optometric honor society each year that he attended Southern College of Optometry in Memphis, Tennessee, and graduated Cum Laude. He was a Who’s Who in American Colleges and Universities Award recipient in 2011. Dr. Oswald loves to work with children and co-authored a research paper entitled, “Barriers to Children’s Vision Care: a Survey of Parent Attitudes,” which was presented at the American Academy of Optometry in 2009. He is still an Ambassador for Southern College of Optometry.

After graduation, Dr. Oswald completed a residency in the areas of primary care, ocular disease, and surgical co-management at the Walla Walla VA Medical Center and Pacific Cataract and Laser Institute in Kennewick, Washington. He loves to learn and implement new technology and procedures in his practice. He is currently using new designs in contact lenses to help slow down the progression of blurred vision and heal diseased eyes. He can fit people in contact lenses who have been told previously that they could not wear them.

Doctor Oswald worked in Central Oregon from 2012-2016 in a primary care practice that also provided corrective surgeries such as LASIK. From 2016-2018 he worked with Family Vision in Idaho Falls, Idaho. He has volunteered with the Lion’s Club and the school districts in those communities. He is excited to join the community in Dillon, Montana, with his family. Dr. Oswald and his wife, Nikky, have 2 sons. They enjoy playing sports together as a family and Dr. Oswald loves coaching his sons’ sports teams. They also enjoy fishing, camping, and hiking.


Rena Janssen, CPO

Rena moved from Tennessee to Montana in 2014. She has two children and has been married to her husband for over 15 years. She enjoys outdoor activities, reading, writing, photography, and anything crafty. She has published Christian Romance books in her spare time. She attended Chattanooga State Technical Community College. She has her license in Cosmetology as well as diploma in Wildlife and Forestry Conservation. She has worked as a medical transcriptionist as well as receptionist.

She has been working at Precision EyeCare and Optical since 2015. She received her training as an Optometric Technician in accordance to the AOA standards and has received her certification as a CPOA, Certified ParaOptometric Assistant.

She loves the friendly and family-centered atmosphere in Southwest Montana. She is known as the “Sweet Southern Shorty” with the smile on her face that never passes up a hug.


Jessica Quinlan, CPO

Jessica enjoys helping our patients in any way she can, but can most often be found working at the front desk. Since working at Precision Eyecare & Optical, she has also become a Certified Paraoptometric. Jessica lives in Dillon with her husband, Russell, and their dog Sage. She moved here from Southern Oregon to attend the University of Montana Western where she graduated with a Bachelor’s Degree. Jessica loves the Dillon community and all the outdoor activities the area has to offer. In her free time, she enjoys riding horses, exploring in the mountains, and taking Sage to the lake.


Jessie Helle

Jessie moved from Washington in 2013 to attend University of Montana Western. She graduated with a bachelor’s degree in Natural Horsemanship & Business. She is a great optician and insurance specialist. In her free time, she enjoys riding horses, fishing, hunting in the mountains with her husband Nate, and taking the dogs out to the lake.

Jessie started working at Precision EyeCare and Optical in 2017. After taking a little over a year off from the office, she is back and so excited to be part of the team. Jessie loves the optical and loves helping each person find the perfect pair of glasses.


Karin Zehm

Karin moved to Dillon in 2015 to attend the University of Montana Western. While earning bachelor’s degrees in Natural Horsemanship and Business, she fell in love with the Dillon community. She loves helping and serving everyone in our community any way that she can. Karin started working at Precision Eyecare and Optical in November 2020 as a receptionist and optician. She is looking forward to fitting patients with stylish, comfortable glasses.

Karin is one of the best horse trainers in the area and loves spending her free time growing her personal horse training business. She also spends time volunteering as a member of the Jaycees and helps put on events for the community. She spends any other spare moment with her four-legged companion, Riley, catching up with her friends, or outside hunting and fishing.


Alayna Uhart

Alayna is a native Nevadan who will be graduating from the University of Montana Western in 2021 with a Bachelor’s Degree in English. You will mostly see her at the front desk, but she also enjoys helping our patients wherever else is needed! She spends her free time helping out at her family’s ranch in Nevada, reading, writing, and exploring the beautiful state of Montana!


Karina Van Slyke

Karina grew up in Wyoming and moved to Dillon in 2011. She graduated from the University of Wyoming in 2019 with her bachelor’s degree in Kinesiology and Health Promotion. She is currently in the process of applying to Physician Assistant School so that she can continue to pursue her dream of helping others in need of medical care. Karina started working as an optician at Precision Eyecare and Optical in 2016 and has now come back to work with our patients once again. She enjoys spending her free time outdoors and is often found hiking, hunting, or fishing. Karina has a passion for animals and nature and can usually be found near her four-legged friends or outside taking photographs of the beautiful Montana landscape.