Your Optometrist

Dr. Nancy Guenthner (pronounced “Get-ner”) is the Developmental Optometrist at Aspire Vision Care. She received her Bachelor of Science degree with High Honors from the University of Texas at Austin. Dr. Nancy went on to attend the University of Houston College of Optometry where she graduated Summa Cum Laude with her Doctor of Optometry degree. She is Board Certified in Vision Development and Vision Therapy and has over 200 hours of continuing education in this field.

Dr. Nancy and her husband, Chris, founded Aspire Vision Care in 2010. Dr. Nancy has a passion for helping children and adults that have vision problems that affect their ability to read and learn. She has been involved in this area of optometry for over 15 years and after seeing the children’s lives changed through Vision Therapy, she knew this was what she was meant to do in life!

Dr. Nancy is very involved in her profession and the community. She is a member of the Central Texas Optometric Society, College of Optometrists in Vision Development, and Optometric Extension Program Foundation. She is also actively involved in the Rotary Club of Round Rock and is a 2015 graduate of Leadership Round Rock. Dr. Nancy and Chris live in Round Rock with their son, Nicholas, and two daughters, Grace and Emily.

Dr. Carissa Lumby is a licensed Therapeutic Optometrist and is a certified Optometric Glaucoma Specialist. She received her Bachelor of Science in Biology from the University of Texas at Austin. Dr. Lumby graduated Summa Cum Laude from the University of Houston College of Optometry (UHCO). She is a member of the American Optometric Association, Texas Optometric Association, Central Texas Optometric Association, and Beta Sigma Kappa Optometric Honor Society.

Dr. Lumby enjoys working with patients of all ages. She was awarded a Contact Lens Clinical Excellence Award by UHCO and fits various contact lenses including soft, toric, multifocal, gas permeable, hybrid, and scleral lenses. She manages ocular conditions such as ocular allergies, macular degeneration, glaucoma, and diabetic retinopathy. She has a special interest in the treatment of dry eye syndrome, which she has published research on. She spent one of her clinical rotations co-managing refractive surgery (such as LASIK) and cataract surgery.

In her free time Dr. Lumby likes playing tennis, cooking, reading, and crafting and DIY projects. She also enjoys spending time with her husband and their two cats, Merry and Pippin. She looks forward to taking care of you and your family at your next appointment!

Dr. Trisha Patel is a licensed Therapeutic Optometrist. She received her Bachelor of Science in Chemistry and Psychology from the University of Illinois at Urbana-Champaign and her Doctorate of Optometry from Illinois College of Optometry.

Dr. Patel then went on to pursue a residency in ocular disease and primary care at the Illinois College of Optometry and the Illinois Eye Institute. She had the opportunity to work with many different specialities and enhance her skill set to provide the best care for her patients. Dr. Patel completed her Fellowship of the American Academy of Optometry in 2015. She has been awarded with acceptance into the Gold Key International Optometric Honor Society, Tomb and Key Honor Fraternity, and Beta Sigma Kappa Honor Society. 

Dr. Patel specializes in primary optometric care, specialty contact lenses, and ocular diseases including but not limited to glaucoma, diabetic retinopathy, macular degeneration, dry eye disease, keratoconus, and ocular allergies. She enjoys seeing patients of all ages and is very passionate about her profession. Dr. Patel always strives to provide exceptional patient care. 

When she’s not seeing patients, Dr. Patel enjoys spending time with her husband and her son. Her hobbies include baking, cooking, running, and fitness boxing.