Dr. Sylvia Casas De Leon
Areas of Expertise
About Me
Dr. Sylvia Casas de Leon is a board-certified ophthalmologist who provides comprehensive eye care with a special focus on corneal disease and cataract surgery. Raised in Laredo, Texas and fluent in Spanish, she believes great outcomes start with careful listening and clear communication. Patients often choose her for advanced cataract options, including femtosecond laser-assisted procedures and premium lens implants tailored to lifestyle and visual goals.
She earned a mathematics degree from Rice University, completed medical school at Baylor College of Medicine, and ophthalmology residency at UT Southwestern Medical Center, known for high clinical and surgical volume. She then pursued subspecialty fellowship training in cornea at Columbia University. In clinic, Dr. Casas de Leon delivers full-spectrum eye care—from diabetic eye exams to complex corneal evaluation and transplantation—always aiming for the same standard she would want for her own family.
Training

Cornea
2020Columbia University
FellowshipOphthalmology
2019University of Texas Southwestern
Residency
Medical School
2015Baylor College of Medicine
Medical School
B.A. in Mathematics
2011Rice University
Undergraduate
Certifications & Licensure
- Licensed In
- NY, VA
- License Numbers
- 297778, 0101268905
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Dr. Sylvia Casas De Leon
Ophthalmology • Cornea Specialist
Ophthalmology • Cornea Specialist


