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Doctors & Staff

Meet the experienced and friendly doctors and staff who make Eyecare Associates Marshalltown the leading provider of vision care products and services in Marshalltown, Conrad and Toledo.


Dr. Abie R. Chadderdon


Dr. Chadderdon graduated from the Southern California College of Optometry in 1981. He practiced four years at Eisenhower Medical Center in Ft. Gordon, Georgia, while serving in the U.S. Army from 1981 to 1985; joined Dr. Hinson in partnership. Shortly thereafter, the practice name was changed to Family Eyecare Associates and the Tama office was added. Dr. Chadderdon has additional training in pathology, contact lenses and children’s vision. He is a member of New Hope Christian Church, Noon Lions Club, Rotary Club, Chamber Ambassador, and he coaches youth sports. He has served on the Junior Achievement Board, Mid-Iowa Community Action Health Advisory Board, YMCA Board, and the United Way Executive Committee serving as co-chair in 2006. He is an active member of the Iowa Optometric Association, currently serving as Eyecare Benefits Chairman. He served as the 1995-1996 president and was named young OD of the year in 1986 and OD of the year in 2007. He is active in the American Optometric Association serving as state representative on two committees. He serves as a member of the Iowa Army National Guard now retired at a rank of Lt. Colonel.


Dr. Connie J. Feldman

Dr. Feldman graduated from the University of Northern Iowa in 1994 with a Bachelor of Science Degree, majoring in Biology and Chemistry. She attended The Ohio State College of Optometry. She completed an externship at Dayton, VA Hospital during the fall of 1997. She also completed an Interdisciplinary Specialization in Geriatric for Health Professionals. She graduated from the Ohio State College of Optometry in 1998 with a Doctorate of Optometry. She was named the William Feinbloom Low Vision Student of the Year. She joined Eyecare Associates in July of 1998. She has served on the Young Professional Executive Board, the Noon Optimist Board, and the Elim Children Center Board. She has coached for her children at Marshalltown Area Soccer Club. She completed the Iowa Valley Leadership course in 2001. She is a member of Saint Francis of Assisi Parish, Noon Optimist Club, the Iowa Optometric Association and the American Optometric Association. She has three beautiful little girls at home.


Dr. Collin Edwards

Dr. Collin Edwards is from Spencer, Iowa. He graduated from the University of Iowa in 2015 with a Bachelor of Science Degree in Human Physiology. He attended the University of Missouri-St. Louis College of Optometry completing externships at OMNI Eye Services in Atlanta, Saint Louis University Ophthalmology, and Vance Thompson Vision in Sioux Falls. These externships provided him the opportunity to work closely with cornea, cataract, oculoplastic, glaucoma, and retina specialists performing evaluations and post-operative examinations while also observing surgical procedures. He graduated from the University of Missouri-St. Louis College of Optometry in 2019 with a Doctorate of Optometry.

Dr. Edwards is a member of the American Optometric Association and the Iowa Optometric Association. He also completed the Iowa Valley Leadership course in 2020.

Dr. Edwards is a devoted fan of Iowa Hawkeye basketball and football. He enjoys playing tennis, basketball, and weightlifting in his free time as well as spending time with his dog Chief.


Dr. Kacie Monroe

Dr. Monroe grew up on a farm near Conrad, Iowa and went on to attend the University of Northern Iowa in Cedar Falls, where she earned a Bachelor of Science in Biology in 2007. In 2011, she graduated from optometry school at Indiana University in Bloomington, Indiana. While in optometry school Dr. Monroe was active in volunteer organizations including VOSH (Volunteer Optometric Services to Humanity), Dr. Monroe also earned the David J. Kerko Low Vision Award and was honored as one of the Most Influential Women in Optical by Vision Monday magazine.

Dr. Monroe completed externships at a private practice in Kentucky specializing in pediatrics and vision therapy services, and at Bascom-Palmer Eye Institute, a world-renowned eye care hospital in Miami, Florida. In 2017, Dr. Monroe earned her Fellowship in College of Optometrists in Vision Development. This designation demonstrates her dedication to functional optometry and vision therapy.

For the past 10 years, Dr. Monroe has practiced at a private practice in Cedar Rapids, Iowa. While in Cedar Rapids, she practiced full-scope optometric care for the entire family, including vision therapy and neuro-optometric rehabilitation services. She is excited to be back in the Marshalltown area with her husband and two children.


Austin B. Chadderdon

Austin Chadderdon is Eyecare Associate’s only certified optician. He gained his license in 2018 after becoming a board member for the Opticians Association of Iowa.

Austin graduated from the Essilor University Management Development course in Dallas, TX in 2016. He brings this experience and education to the position of CO-CEO along with Rachel Brodin. Austin also oversees the management of our optical department’s training, inventory, accounting, and supply chain management.

Austin participated in the Iowa Valley Leadership Program in 2019 and is involved with the community as a musician entertaining at local venues. He is an avid reader and writer and enjoys traveling and spending time with his family outdoors.

He enjoys his work at Eyecare Associates knowing he is immersed in the community. Every time he is out at the store, local eatery or otherwise, he recognizes his work in the glasses the public is wearing.


Rachel Brodin

Rachel is from Davenport, IA. She graduated from the University of Northern Iowa with a degree in Organizational Leadership Management B.A., with a minor in Leisure Youth and Human Services.

Rachel moved to Marshalltown three years ago and started working at Eyecare Associates shortly after. She most enjoys her job because of the great patients. She also enjoys seeing the staff grow and learn new skills.

She and her husband have three adorable fur babies; a cat and two dogs. She loves to travel whenever she gets the chance and is always excited for the next adventure!