Our Doctors

Optometrist and Ophthalmologist Near You

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 always 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, both as eyeglass lenses and contact lenses.

Our optometrists and ophthalmologists in Fredericksburg 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.

Dr. Hans J Oosterbaan, O.D.

Dr. Hans Oosterbaan is a Therapeutic Optometrist and an Optometric Glaucoma Specialist. Dr. Oosterbaan’s experience and license qualifies him to diagnose and treat most eye diseases with the use of eyeglasses, contact lenses, medications as well as non-surgical medical procedures.

Dr. Oosterbaan received his bachelor’s degree from the University of Houston in 1988, followed by a doctorate from the University Of Houston College Of Optometry in May of 1991. As part of his optometry schooling he undertook an externship at the University of Texas Medical School. His studies emphasized diabetic retinopathy, macular degeneration and the other retinal diseases. He completed a second externship at Houston Eye Associates focused on glaucoma and cataract treatment.

Dr. Oosterbaan is a member of the Fredericksburg chamber of commerce and a 30-year member of the American Optometric Association and the Texas Optometric Association.

Dr. Oosterbaan has keen interests in bow hunting, fishing, bicycling, weightlifting, camping, ranching, westerns, bible study and fans can watch him playing ice hockey in San Antonio on Friday nights. Dr. Oosterbaan has also been an archery champion for 30 years. In 2001, he won the open class, Lone Star Bowhunter’s Association Texas State Championship Tournament.

“I am grateful to be an eye doctor. I consider it a blessing from above to be granted the deep desire and aptitude to study this amazing healing specialty. I consider it my personal challenge to help heal as many people as I possibly can, by treating their vision problems. No matter what vision problems they may have my patients can be helped to achieve healthier eyes and thereby a better, more comfortable life. My team and I focus on what we can do to make each patient’s life better through improving and preserving their vision.”

Specialties Include:

• Treatment of eye injuries and infections
• Challenging contact lens fittings
• Glaucoma treatment in all its development stages
• Dry eye treatment

C. Armitage Harper, III, M.D.

Dr. Harper was born in Nashville, Tennessee, and later attended St. Stephen’s Episcopal High School in Austin. After graduating with honors from Vanderbilt University with a degree in molecular biology, he earned his medical degree from the University of Oklahoma in 1988. Upon completing his residency at Charity Hospital, Louisiana State University in New Orleans, he held a two-year fellowship at the prestigious Casey Eye Institute, University of Oregon in Portland, where he received specialty training in medical and surgical retina, as well as retinopathy of prematurity. He joined Austin Retina Associates in 1995.

Dr. Harper is a nationally-recognized speaker on the management of retinopathy of prematurity and on the role of nutrition in macular degeneration. He is actively involved in research in both pharmacological and nutritional therapies for the treatment and prevention of macular degeneration. He has also served as an investigator for numerous clinical trials.

Dr. Harper is a consultant at the University of Texas Health Science Center in San Antonio and at the city’s University Hospital, where he teaches residents and provides vitreoretinal care for infants with retinopathy of prematurity. Passionate about bringing quality ophthalmic care to developing countries, Dr. Harper travels worldwide teaching and performing surgery with local physicians. Recent travels have included trips to Haiti with Vanderbilt University Eye Project, and to Lanzhou, China, with Project Orbis, the world’s only flying eye hospital. His travels and contributions have received local and national recognition.

Dr. Harper is a member of the American Academy of Ophthalmology, American Medical Association, Association of Research in Vision and Ophthalmology, Texas Medical Association and the Travis County Medical Society. He also served as Chief of Ophthalmology at Brackenridge Hospital from 2005-2008. Additionally, he is a regional consultant for Alcon and each year Texas Monthly magazine has included him in “Best Doctors in Texas”. Dr. Harper’s wife, Ruthie, is an internal medicine physician specializing in nutritional medicine and non-surgical aesthetics. They have two children, Holly and Beau.

Specialties Include:

• Macular hole and retinal detachment surgery
• Retinopathy of prematurity
• Macular degeneration

Ryan C. Young, M.D.

Dr. Young was born in Iowa and raised in South Texas. He graduated Suma Cum Laude and Phi Beta Kappa from Luther College in Decorah, Iowa. He went on to receive his medical degree from the prestigious Mayo Medical School in 2010 on a full academic merit scholarship. Dr. Young completed his ophthalmology residency at Bascom Palmer Eye Institute in Miami, Florida, which has been ranked the #1 eye hospital in the country for the past 15 consecutive years, according to U.S News and World Report’s Best Hospitals. During his residency, Dr. Young was the recipient of the “Bascom Palmer Resident Surgical Skill Award”, an award given to the resident who demonstrated the most outstanding surgical skills. Following residency, Dr. Young continued his post-graduate medical training with a fellowship in vitreoretinal diseases and surgery at Bascom Palmer Eye Institute. During his last year at Bascom Palmer Eye Institute, he served in the prestigious role of Chief Resident and Director of Ocular Trauma, where he was extensively involved in teaching surgical skills to residents and fellows in ophthalmology.

Dr. Young also has a special interest in pediatric retinal disease, including caring for premature infants with retinopathy of prematurity.

Dr. Young is certified by the American Board of Ophthalmology. He has been an author of numerous publications in peer-reviewed journals, such as JAMA-Ophthalmology, Retina, the Journal of Pediatric Ophthalmology and Strabismus, and the Journal of Clinical Ophthalmology. He has authored and edited several book chapters, including a section on pediatric retinal disease in the textbook Manual of Retinal Diseases. He is a member of the American Academy of Ophthalmology, the American Society of Retina Specialists, and American Medical Association.

In addition to his clinical work in Austin, Dr. Young has served extensively abroad. His most recent travel was to rural Ethiopia where he worked alongside local physicians providing medical and surgical care to patients of all ages.

Dr. Young has a passion for wildlife and all things outdoors. Particularly, he enjoys saltwater sport fishing on the Texas Gulf Coast and bird hunting.

Specialties Include:

• Medical and surgical management of all diseases of the retina, vitreous, and macula
• Treatment of of ocular trauma
• Diagnosis and treatment of complex retinal diseases including: retinal detachment, diabetic retinopathy, retinal vascular occlusion, macular degeneration, macular holes and epiretinal membranes
• Pediatric retinal disease, including caring for premature infants with retinopathy of prematurity

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 firsthand. 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).

Specialties Include:

• Accutite™ by Inmode non-surgical facial tightening
• Facetite™ by Inmode non-surgical facial tightening
• Ellevate™ non-surgical neck lift
• Upper and lower lid blepharoplasty
• Cosmetic orbital decompression
• Temporal brow lift
• Internal brow lift
• Submental liposuction

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