Dr. Sylvia Casas De Leon

OphthalmologyCornea Specialist
Reston, VA

Areas of Expertise

Femtosecond Laser–Assisted Cataract Surgery
Premium Lens Implants
Keratoconus Management
Corneal Disease Evaluation and Treatment
Corneal Transplantation
Diabetic Eye Exams
Comprehensive Eye Care

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

  • Columbia University

    Cornea

    2020

    Columbia University

    Fellowship
  • Ophthalmology

    2019

    University of Texas Southwestern

    Residency
  • Baylor College of Medicine

    Medical School

    2015

    Baylor College of Medicine

    Medical School
  • Rice University

    B.A. in Mathematics

    2011

    Rice University

    Undergraduate

Certifications & Licensure

Licensed In
NY, VA
License Numbers
297778, 0101268905

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Dr. Sylvia Casas De Leon

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