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About Us

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 Your Temple Eye Doctors:

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Margaret Callen

Dr. Margaret Callen, O.D. is an optometric glaucoma specialist who grew up in Jefferson City, Missouri. She received her high school diploma in Louisiana and continued her education at Southeastern Louisiana University where she earned her Bachelor of Science degree in biology with a minor in chemistry. Dr. Callen graduated with honors from the University of the Incarnate Word Rosenberg School of Optometry in San Antonio with her doctorate in optometry. During her education, Dr. Callen was privileged to work in both the private sector as well as in military settings to complete externships in medically-based optometry. She is also trained in specialized optometric care to include contact lenses, refractive surgery co-management, vision therapy, and has extensive training in the diagnosis and treatment of ocular diseases. Dr. Callen is a dedicated member of both the American Optometric Association and the Texas Optometric Association. She enjoys spending her free time exploring central Texas: enjoying good food and the great outdoors.

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Dr. Ardith (Renee) Pagan

Therapeutic Optometrist

Dr. Pagan was born & raised in the Houston area and graduated from Pearland High School as a National Merit Hispanic Semi-Finalist. In 1991, she graduated from Texas A& M University with a BA in Biology & minor in Chemistry. She went on to graduate from the University of Houston College of Optometry in 2000. When she began Optometry school her sons were 3 years old and 8 months old.

In 2001, she moved to Central Texas and bought a private practice before moving to the Temple area from 203-2014, where she was a member of the Junior League of Bell County. Both of her sons graduated from Temple High School.


From 2004-2014, she Worked at Fort Hood in the Refractive Surgery department where we performed LASIK, PRK and ICL surgeries on the active duty soldiers and also saw dependents for eye exams as time permitted. In 2015 she practiced in Fort Worth in a retail setting before becoming an Optometrist at SharpeVision Modern LASIK from 2016-2018. She found my way back to Temple in June of 2018 and began practicing at TSO Temple.


She has 2 grown sons (26 & 23). One lives in Temple with his wife Krista & their 3 sons (her grandbabies). Her youngest son lives in Chicago.


She enjoys spending time with her family and friends, loves to travel even if only for a short weekend getaway. She also enjoys playing pool in a pool league. 

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Dr. Allison Rocha

Dr. Allison Rocha was raised in Leander, TX. She attended Texas A&M University where she received a Bachelor of Science in Biology. She obtained her Doctorate of Optometry from the University of the Incarnate Word in San Antonio, Texas. She served on the American Optometric Student Association Board of Trustees and as Gold Key Society President during her time at UIW. Dr. Rocha has a passion for improving lives through vision and health and is delighted to serve the Central Texas community. 

In her free time, Dr. Rocha enjoys running, cooking, and spending time with her family. She and her family currently reside in Georgetown, TX. 

Appointment Form

Call (254) 221-7322 ▸

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Our Location

2910 Market Loop
Temple, TX 76502