CorneaGen
  • SURGEON PORTAL
  • Contact Us
  • CORNEAL TISSUE
    • Tissue Overview
    • Tissue Services
      • DSAEK
      • DMEK
      • Geuder Pre-Loaded Glass Cannula
      • Ampho B
      • PKP
      • ALK
      • BrightMEM
      • FLAK
      • Non-Sterile Sclera
    • Tissue Reimbursement
    • Adverse Reaction Reporting
    • Regulatory Information
    • Request Tissue
  • Sterile Tissue
    • CTAK
    • VisionGraft
      • Glaucoma
      • Cornea
    • Sclera
    • Reimbursement
      • CTAK Reimbursement
      • VisionGraft Reimbursement
    • Adverse Reaction Reporting
    • Regulatory Information
  • CTAK
  • Products
    • Products Overview
    • EndoSerter-PL
    • EndoSerter
    • Cannula
    • Geuder Pre-Loaded Glass Cannula
    • DescePro System
    • Donor Punch
    • Recipient Trephine
    • Intacs
  • Education
    • Educational Videos
    • Wet Labs
    • Fellows Program
  • About Us
    • Our People
    • Our Partners
    • Our Locations
    • Reimbursement
    • Gift of Sight
    • News & Events
    • Core Commitments
    • Innovation
    • Careers
Request Tissue Contact Us
John Berdahl

John Berdahl

September 30, 2020

Dr. Berdahl specializes in Advanced Cataract, Corneal and Glaucoma Surgery at Vance Thompson Vision in Sioux Falls, SD. He earned his medical doctorate, graduating with honors from Mayo Medical School in Rochester, MN and finished his internship at the Mayo Clinic in Scottsdale, AZ. He completed ophthalmology residency at Duke University where his published work, research, teaching and care of patients brought him many honors including best resident and national recognition as first place winner of the Resident Writers Award. Dr. Berdahl pursued additional advanced surgical training at one of the most coveted cornea and glaucoma fellowships in the country at Minnesota Eye Consultants. As a fellow he received the Claes Dohlman Award from Harvard University, which is given to the top cornea fellow in the country.

Dr. Berdahl has published numerous book chapters and peer-reviewed articles and his extensive research has been presented nationally and internationally. His commitment to those in need is demonstrated by his leadership role in EyeCare America and the numerous surgical mission trips he continues to participate in worldwide.

Dr. Berdahl was recently selected as one of the top 40 ophthalmologist under 40 years old in the world and the top young physician in South Dakota.

Recent Articles

  • Bernie’s Quarterly Update – November 2024

    Bernie’s Quarterly Update – November 2024

    A message from Bernie Iliakis, President & CEO of CorneaGen...

    READ MORE
  • Bernie’s Quarterly Update – July 2024

    Bernie’s Quarterly Update – July 2024

    A message from Bernie Iliakis, President & CEO of CorneaGen...

    READ MORE
  • CorneaGen Launches CTAK, an Innovation for Improved Patient Outcomes

    CorneaGen Launches CTAK, an Innovation for Improved Patient Outcomes

    CorneaGen Launches CTAK, an Innovation for Improved Patient Outcomes Advanced...

    READ MORE
  • CTAK Update from ASCRS 2024

    CTAK Update from ASCRS 2024

    Hear from Dr. Steven Greenstein and Dr. Peter Hersh from...

    READ MORE
Navigation
  • Corneal Tissue
  • Products
  • Innovation
  • Education
  • About Us
  • Request Tissue
Helpful Information
  • Reimbursement assistance
  • Adverse reaction reporting
  • KAMRA Support
  • Careers
Legal
  • Privacy Policy
  • Terms and conditions
  • Regulatory Information
Connect
  • Contact Us
CorneaGen

©2025 CorneaGen

CorneaGen