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Office
3101 W 57th St
Sioux Falls, SD 57108Phone+1 605-361-3937Fax+1 605-371-7199- Is this information wrong?
Education & Training
Duke University HospitalResidency, Ophthalmology, 2005 - 2008
Mayo Clinic College of Medicine and ScienceInternship, Transitional Year, 2004 - 2005- Mayo Clinic College of MedicineClass of 2004
Certifications & Licensure
MT State Medical License 2021 - 2025
SD State Medical License Active through 2025
ND State Medical License 2014 - 2024
IA State Medical License 2009 - 2019
IL State Medical License 2014 - 2015
MN State Medical License 2008 - 2013
NC State Medical License 2005 - 2008- American Board of Ophthalmology Ophthalmology
Awards, Honors, & Recognition
- Fellow (FAAO) American Academy of Ophthalmology
Clinical Trials
- Multicenter Investigation of the Glaukos® Suprachoroidal Stent Model G3 In Conjunction With Cataract Surgery Start of enrollment: 2011 Dec 22
- Multicenter Study Using Glaukos® Trabecular Micro-Bypass Stent Model GTS400 Using the G2-M-IS Injector System in Conjunction With Cataract Surgery Start of enrollment: 2012 Jan 16
- Long Term Outcomes of Vivity Intra Ocular Lens(IOL) Versus Control Start of enrollment: 2020 Sep 17
Publications & Presentations
PubMed
- The evaluation and management of corneal penetrating and perforating injuries during long-duration spaceflight.Alex Suh, Joshua Ong, Charles Robert Gibson, Thomas Mader, John Berdahl, Ethan Waisberg, Andrew G Lee> ;Eye. 2024 Feb 29
- Phase 3 Randomized Clinical Trial of the Safety and Efficacy of Travoprost Intraocular Implant in Patients with Open-Angle Glaucoma or Ocular Hypertension.Steven R Sarkisian Jr, Robert E Ang, Andy M Lee, John P Berdahl, Sebastian B Heersink, James H Burden, Long V Doan, Kerry G Stephens, Angela C Kothe, Dale W Usner, L J...> ;Ophthalmology. 2024 Feb 27
- Travoprost Intracameral Implant for Open-Angle Glaucoma or Ocular Hypertension: 12-Month Results of a Randomized, Double-Masked Trial.Steven R Sarkisian, Robert E Ang, Andy M Lee, John P Berdahl, Sebastian B Heersink, James H Burden, Long V Doan, Kerry G Stephens, David Applegate, Angela C Kothe, Dal...> ;Ophthalmology and Therapy. 2024 Apr 1
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Press Mentions
Aldeyra Therapeutics Achieves Primary Endpoints in Dry Eye Disease Chamber Crossover Clinical TrialJuly 13th, 2022- Alcon Reinforces Strength of Industry-Leading Ophthalmology Portfolio with Largest Surgical Device Scientific Presence at ASCRS 2021July 22nd, 2021
- CATS Tonometer LLC Receives FDA Clearance for Disposable Tonometer PrismJuly 13th, 2021
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Professional Memberships
- Fellow
Hospital Affiliations
Avera McKennan Hospital and University Health CenterSioux Falls, South Dakota- Pioneer Memorial Hospital and Health ServicesViborg, South Dakota
Sanford USD Medical CenterSioux Falls, South Dakota- Sioux Falls Specialty HospitalSioux Falls, South Dakota
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