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Doctors & Staff

Meet the experienced and friendly doctors and staff who make Eye Care Associates the leading provider of vision care products and services in Panora.


Dr. Cassandra Martinson

Dr. Martinson (Halverson) O.D. graduated from Saint Olaf College in Northfield, MN receiving her Bachelor of Arts.

Dr. Martinson then graduated as summa cum laude from the Southern California College of Optometry receiving her Doctorate in Optometry.

Dr. Martinson is a member of the American Optometric Association, Iowa Optometric Association, Rotary International, Fellowship of Christian Optometrists

Dr. Martinson was originally from Coon Rapids, IA. Dr. Martinson currently resides in Panora with her husband Jake and their daughter. In her spare time, Dr. Martinson enjoys golfing, traveling, flying and various other outdoor activities.

Dr. Martinson works at our Perry, Panora, and Stuart locations.




Dr. James Koch

Dr. Jim Koch is a welcome transplant to Panora.

He is an avid skier and golfer. He enjoys time spending with his two daughters and his wife. Dr. Koch is a graduate from Illinois College of Optometry. Dr. Koch works at our Perry and Panora locations.






Dr. Trisha Smith

Dr. Smith O.D. graduated of Central College in Pella, IA receiving her Bachelor of Arts.

Dr. Smith graduated from the University of Missouri – St. Louis College of Optometry receiving her Doctorate in Optometry with the class of 2020.

Dr. Smith is a member of the American Optometric Association, Iowa Optometric Association, and Lion’s Club.

Dr. Smith was originally from New Hamptom, IA. In her spare time, Dr. Smith enjoys traveling to visit friends and family, boating, water skiing, reading, watching movies, attending live concerns, and playing/watching many sporting events. Dr. Smith is a huge Iowa Hawkeyes and Cardinals baseball fam.

Dr. Martinson works at our Perry, Panora, and Stuart locations.