John Ladas, MD, PhD

John Ladas, MD, PhD

Cataract Surgery Specialist

Dr. John Ladas is a Board-Certified/Fellowship trained Surgeon. He earned his MD and PhD from the Georgetown University School of Medicine and was elected to the Alpha Omega Alpha National Medical Honor Society. He completed his Ophthalmology training at the UCLA-Jules Stein Eye Institute and the Johns Hopkins/Wilmer Eye Institute where he was awarded the Heed Fellowship. He is on the faculty of the Wilmer Eye Institute as an Asst. Professor of Ophthalmology. He is a member of the American Academy of Ophthalmology, American Society of Cataract and Refractive Surgery and the Society of Heed Fellows.

His specific research interests involve the mathematical formulas involved in calculating the lens power at the time of surgery and their ongoing improvement with artificial intelligence. Dr. Ladas’s proprietary formula, the Ladas Super Formula (LSF), has been shown to be one of the most accurate. The Ladas Super Formula is available worldwide and the website and application for this formula has over 8000 physician/surgeon users. He has multiple publications and has given invited lectures worldwide regarding this subject. A list of these selected talks and recent publications can be found here.

In Ophthalmology Management’s November 2021 Anniversary issue, Dr. Ladas was honored as one of the top 25 Leaders in Innovation over the past 25 years in Ophthalmology for his contributions. The complete list can be viewed here.

In his free time, Dr. Ladas enjoys biking, gardening, and golfing with his wife, Donna and spending time with their daughters.


  • Fellowship in Refractive and Corneal Surgery, Johns Hopkins – Wilmer Eye Institute
  • Residency in Ophthalmology, UCLA-Jules Stein Eye Institute
  • MD, Georgetown University School of Medicine
  • PhD in Biophysics, Georgetown University School of Medicine

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