Our Doctors

Javier R. Zamora, O.D.

Dr. Zamora has lived in the Austin area since 1985 and has been involved in eye care for over 27 years. He is the co-founder of Advanced Eye Care & Surgery, the past optometric director of refractive surgery for the largest eye care practice in Austin, the past Clinical Director for Dell Laser Consultants in Austin, and has co-managed over 5,000 refractive surgery cases. Dr. Zamora received a B.A. degree from the University of Texas at Austin and graduated Magna Cum Laude from the University of Houston College of Optometry. He was involved in ophthalmic technical training for over 14 years and taught courses for certified ophthalmic personnel extensively throughout Texas, Louisiana, Arizona, Georgia, North Carolina, Maryland, Illinois, Michigan, Missouri, and Ohio.

Dr. Zamora received the University of Texas Achievement Award and was the recipient of the University of Houston Graduate Fellowship Award. He received the Beta Sigma Kappa Award and VSP Award and Scholarship in 1997. He was also the recipient of the Vistakon Award for Excellence in Contact Lens Patient Care in 1998. He is a member of the American Optometric Association, the Texas Optometric Association, the Central Texas Optometric Society and the Beta Sigma Kappa International Optometric Honor Society. Dr. Zamora is licensed in Texas as a Therapeutic Optometrist and an Optometric Glaucoma Specialist. He is a past adjunct professor at the University of Houston College of Optometry

Debbie A. Zamora, O.D.

Dr. Zamora is a native of Marksville, Louisiana. She has practiced optometry in Louisiana and throughout the Greater Austin area while co-founding Advanced Eye Care & Surgery. Dr. Zamora comes from a family of eye care professionals- her father, who practiced optometry for over 35 years; her sister, an ophthalmologist; and another sister who is an optometrist. Dr. Zamora received a B.S. degree from Tulane University and graduated from the University of Houston College of Optometry. She completed an externship program at the United States Marine Corps Recruit Depot and Naval Hospital in Parris Island, South Carolina. There, she conducted procedures in a refractive surgery study to determine its safety and efficacy for naval aviators. She and her husband, Dr. Javier Zamora, have practiced together since 2002.

Dr. Zamora was the recipient of a Legislative Academic Scholarship for four years at Tulane University. She is a member of the Beta Sigma Kappa International Optometric Honor Society, the Texas Optometric Association, the Louisiana State Association of Optometrists, the American Optometric Association, and is a past president of the Central Texas Optometric Society. Dr. Zamora is licensed in both Texas and Louisiana as a Therapeutic Optometrist and Optometric Glaucoma Specialist. She is an active member of the Round Rock Chamber of Commerce.

Debra L. Ware, O.D.

Dr. Ware was graduated Magna cum Laude from the University of Houston College of Optometry and is a member of the Beta Sigma Kappa honor society. Dr. Ware is active in various optometric organizations, including the American Optometric Association, Texas Optometric Association, and Central Texas Optometric Society (serving as Treasurer 2001-2002 and Secretary 2000).

Dr. Ware has practiced optometry in the Austin/Round Rock area since 1998. Dr. Ware is dedicated to providing the best eye care for your family.

Larry M. Chism, O.D.

Dr. Larry Chism received his Bachelor of Science in 1975 and went on to receive his Doctor of Optometry shortly after, concentrating in contact lenses and low vision. Since 1980 Dr. Chism has been full owner and managing associate of Vision Source-Tyler, a private practice providing full scope optometric eye care services. Dr. Chism is committed to helping patients gain back their freedom. He has been providing low vision care for 20 years and has extensive experience in working with individuals who have suffered from decreased vision. These individuals desire to gain back control of their lives and not let decreased vision interfere with their happiness. For this reason, Dr. Chism is referred to by his patients as “the see better doctor”. For your convenience, Dr. Chism commutes to six different locations throughout Texas.

Amie T Nguyen, O.D

Amie Nguyen, O.D. received her Doctor of Optometry in 2020 from the University of Houston College of Optometry, and earned her Bachelor of Science in Biological Sciences from North Carolina State University. During externships with the Community Eye Clinic in Fort Worth, Texas, and the Richmond VA Outpatient Clinic in Richmond, Texas, she received training in primary eyecare, specialty contact lens fitting, refractive and cataract co-management, and ocular diseases, such as age-related macular degeneration, hypertensive and diabetic retinopathies, and glaucoma.

Dr. Nguyen became an optometrist after experiencing several different fields of health care, including family medicine, pharmacy, and dentistry, and decided she most enjoyed her experience in eye care. She strongly believes in the importance of quality patient care and education, and has always had the desire to help inform and educate her patients about their ocular and systemic health, which enables them to make their best decisions regarding their overall health.

Dr. Nguyen feels joy when her patients feel well taken care of, whether it’s customizing their contacts to best fit their visual needs or managing corneal conditions, such as keratoconus treating an urgent red eye, or informing parents that their child’s myopia progression can be slowed.

When Dr. Nguyen is not in the office treating patients, she stays active by doing CrossFit and hiking. She also enjoys trying new restaurants and spending time with her dog.


Annie Y. Chan, M.D.

Dr. Annie Chan is an ophthalmologist who is fellowship-trained in cornea and refractive surgery. For the past 4 years she was privileged to be an Assistant Professor at UT Health San Antonio, which not only allowed her to care for the residents of San Antonio and surrounding South Texas but also to teach and train ophthalmology residents and other medical professionals in the art of medicine and eye care. She enjoyed learning from her colleagues and from those whom she taught. Although Dr. Chan is a native of Austin, her educational pursuits took her from the West to East coasts. After completing a rigorous residency program in Ophthalmology at the Dean McGee Eye Institute in Oklahoma City, OK in 2012, she found a passion for treating corneal and external diseases and was selected to stay on as a fellow to train in Cornea, cataract, refractive surgery, and external disease.

Dr. Chan provides comprehensive eye care with a special interest in collagen crosslinking, the latest corneal transplantation techniques such as DMEK and treatment of dry eyes and other ocular surface diseases. She is also a leading surgeon in laser cataract surgery and offers the most up-to-date intraocular lens choices.

She is delighted to be back in her hometown as an eye physician and surgeon to serve with excellence and dedication to her patients. She is fluent in Mandarin Chinese and enjoys photography, hiking, and acoustic guitar.

David Z. Gay, M.D.

Dr. David Gay decided to become a surgeon at the age of eight. During his high school years he began doing rotations in hospitals and scrubbing in to observe surgeries first hand. As soon as he was eighteen he trained as an EMT (Emergency Medical Technician). He did his undergraduate training at the University of Utah successfully completing a double major in Exercise Physiology and German Literature. Dr. Gay spent a couple years during and after college doing research in pancreatic cancer. During medical school at the Medical College of Virginia Dr. Gay was exposed to a short rotation with an oculoplastic surgeon and he immediately knew that he had found his calling. He did his ophthalmology training at the Medical College of Georgia, and then was selected for a prestigious American Society of Ophthalmic Plastic and Reconstructive Surgery (ASOPRS) fellowship at the Sinai Hospital of Baltimore. He was trained by Drs. Hirschbein and Karesh.

Dr. Gay is a board-certified surgeon by the American Board of Ophthalmology (ABO) and a candidate member of the American Society of Ophthalmic Plastic and Reconstructive Surgery (ASOPRS).

Dr. Gay sees patients at multiple locations. Online appointment scheduling is not available for Dr. Gay. Please call 512-642-5050 to schedule an appointment. Please ask to be seen at the Round Rock office.

Dr. Stephen Smith, MD

Dr. Stephen Smith is a native Texan born and raised in Houston, Texas. He completed undergraduate degrees in electrical engineering and economics at Rice University. After working as a consultant for Price Waterhouse he attended Tulane University School of Medicine. He spent five years in New Orleans completing an MD degree and an internship. He then completed training in ophthalmology at Northwestern University in Chicago and a retina fellowship at the Massachusetts Eye and Ear Infirmary in Boston.

Dr. Smith is a board certified ophthalmologist. He worked for Texas Retina Associates in Lubbock, Texas prior to fulfilling a desire to move to Austin. He currently sees patients in Austin with diseases of the retina and vitreous. These include such conditions as macular degeneration, diabetic retinopathy, vascular and hypertensive retinal problems, retina tears and detachment, epi-retinal membrane and macular holes.

When not practicing medicine Dr. Smith enjoys golf, tennis, biking and working on becoming proficient in Spanish.

LASIK Surgeons

Thomas R. Walters, M.D.

Dr. Tom Walters is, for more than a decade, the most experienced eye surgeon in central Texas. The exceptional results enjoyed by his patients have led to wide recognition of his surgical skills. Austin-area eye doctors and their patients choose Dr. Walters as their consulting surgeon more often than any other surgeon, and he has been the eye surgeon of choice for many Austin-area doctors and their families.

Dr. Walters’ dedication to excellence has helped drive the development of new and advanced treatments in LASIK, cataract, and lens implant surgeries using the most up-to-date equipment, devices, and surgical techniques, including Custom Wavefront LASIK and new Accommodating Lens Implants. Central Texas patients who choose Dr. Walters as their surgeon realize the benefits of his attention to detail, unmatched expertise, and innovative techniques that allow the successful treatment of even the most difficult cases.

Dr. Walters is internationally recognized in the field of ophthalmology. He has published articles in all the major ophthalmic medical journals, has lectured to international medical audiences on three continents, and serves as a research and development advisor to the largest ophthalmic companies.

Dr. Walters is actively sought by global ophthalmic pharmaceutical and device companies for his experience and expertise in applying and proving innovative new technologies in ophthalmology. He has been instrumental in the advancement of ophthalmic sciences by serving as principal investigator for over 150 FDA clinical research protocols over the past 15 years, including studies in refractive surgery, ophthalmic devices, products and pharmaceuticals. Dr. Walters’ dedication to the development of ophthalmic knowledge is evidenced by his frequent invitations to author and edit publications and manuscripts for ophthalmology journals and to lecture and present results of research at medical symposia.

Dr. Walters is president and senior partner of Texan Eye Care, P.A. and Advanced Ophthalmic Services, P.A., and is Medical Director of Keystone Clinical Research and LaserView Vision Correction Center. He is board-certified by the American Board of Ophthalmology, is a Fellow of the American Academy of Ophthalmology, and is a member of the American Society of Cataract and Refractive Surgery.

Kyla R. Aschenbeck, MD

Ophthalmologist/Fellowship trained in Cornea, Refractive Surgery and External Disease

Dr. Aschenbeck is a Board Certified Cataract and Refractive surgeon with a goal to optimize vision and reduce dependence on glasses using procedures such as LASIK and Advanced Surface Ablation or utilizing the newest intraocular lenses available after cataract surgery or refractive lens exchange.

She is specially trained in diseases of the cornea, ocular surface, and anterior segment such as dry eye syndrome, keratoconus, corneal dystrophies, and ocular surface tumors. She offers the latest techniques for partial thickness corneal transplantation (Endothelial keratoplasty, also known as DSAEK and DMEK) as well as full thickness corneal transplants, superficial keratectomy, corneal crosslinking, pterygium surgery, and many other procedures.

Dr. Aschenbeck was born and raised in Houston, and first moved to Austin to attend the University of Texas where she completed her Bachelor of Science in Psychology. She then completed her medical degree at the University of Texas Southwestern in Dallas, TX. Her internship in Internal Medicine was done at University of California San Diego. She completed her residency training at LSU Health Science Center in Shreveport, Louisiana, where she also served as Chief Resident. She then went on to complete her fellowship in Cornea, External Disease and Refractive surgery at the University of Wisconsin in Madison. During her fellowship, she was a Clinical Instructor for the Department of Ophthalmology, teaching residents in the classroom, the clinic, and on call. After all of her training, she returned to Austin and joined Texan Eye to be closer to her family.

Dr. Aschenbeck is a member of the American Academy of Ophthalmology, American Society of Cataract and Refractive Surgery, Cornea Society, and Texas Medical Association.

In her free time, she enjoys traveling and has spent extended time in New Zealand and Ecuador. She spends her free time hiking, sailing, dancing, and spending time with her family and friends.

Dr. Aschenbeck sees patients at multiple locations. Online appointment scheduling is not available for Dr. Aschenbeck. Please call 512-327-7000 to schedule an appointment. Please ask to be seen at the Round Rock office.

Powered by EyeCare Specialties of Central Texas

Each practice in the EyeCare Specialties network is focused on the eyes of Texas. Our family of practices have been caring for Texas communities for decades. Learn More.