Doctors & Staff
Meet the experienced and friendly doctors and staff who make Vision Source of Tyler the leading provider of vision care products and services in Tyler.
Dr. Katie E. Marshall
Dr. Marshall’s ownership of Vision Source of Tyler is rooted in a love for serving our community with the highest level of vision care.
A Tyler native, Dr. Marshall’s Vision Source of Tyler journey started as a patient, where she was prescribed her first pair of glasses from Dr. Larry Chism in 1992. She graduated from Grace Community High School in 2002, received her Bachelor of Science from the University of Mississippi in 2006, and obtained her Doctor of Optometry degree, graduating Magna Cum Laude, from Southern College of Optometry in Memphis in 2011.
Professional associations and activities include American Optometric Association, Texas Optometric Association, involvement in the East Texas Optometric Society, and member of Beta Sigma Kappa International Optometric Honor Society.
Dr. Marshall enjoys living in the heart of Tyler’s historic Azalea District with her optometrist husband Matt and their three beautiful girls. She loves cheering them on in their extracurricular activities, and is involved in the PTA at their school.
Dr. Larry Chism
Dr. Chism has been providing comprehensive primary eye care in a private practice setting since 1980.
He received his Bachelor of Science in 1975 from the University of Houston and his Doctor of Optometry from the College of Optometry at the University of Houston.
Professional associations and activities include membership in American Optometric Association and Texas Optometric Association. He has also been a past president of East Texas Optometric Society, a past board member of the Tyler Lions Club and East Texas Society to Prevent Blindness, and a past chairman of the Texas Optometric Association Public Relations Committee.
Dr. Chism and his wife reside in Tyler and have three sons.
Dr. Rachael Hixson
Dr. Rachael Hixson is proud to serve the East Texas community as a dedicated optometrist. Her journey in eye care began after earning her Bachelor’s degree in Biomedical Sciences from the University of South Florida in 2012. She worked for three years as an optometric technician in her hometown of Jacksonville, Florida, where she discovered her passion for helping people see clearly and comfortably.
She went on to earn her Doctor of Optometry degree from the University of the Incarnate Word, Rosenberg School of Optometry in San Antonio, Texas. During her final year of school, she moved to East Texas and began practicing in Tyler in 2019. Since then, she has been committed to providing personalized, high-quality eye care to patients of all ages – from routine eye exams and contact lens fittings to managing ocular diseases and urgent eye care needs. She joined Vision Source of Tyler as an associate optometrist in February of 2025, and she is currently accepting new patients and continues to provide a wide scope of vision and medical eye care.
Outside the office, Dr. Hixson enjoys hiking and paddleboarding at Tyler State Park and living in Lindale with her fiancé and two pets.
She looks forward to welcoming you to our practice and helping you maintain clear, healthy vision for years to come.
Our Friendly Staff
