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2 months ago | 
ophthalmologytimes.com | Sheryl Stevenson |Peter McDonnell |Nicole Bajic |John Berdahl |David Eichenbaum |Ehsan Sadri | +2 more
Half a decade after COVID-19 reshaped the landscape of health care, ophthalmology practices are still adapting—not out of crisis, but through continuous innovation and resilience. A key consideration now is which adaptations have endured, and which have been left behind. Understanding how patient behavior and expectations have shifted in this post-COVID landscape remains essential, prompting ongoing refinements in care delivery and operational strategy.
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2 months ago | 
ophthalmologytimes.com | Sheryl Stevenson |Peter McDonnell |Nicole Bajic |John Berdahl |David Eichenbaum |Ehsan Sadri | +2 more
Five years ago, in April 2020, ophthalmologists across the country were navigating shuttered offices, improvised personal protective equipment (PPE), and a cascade of unknowns. Just weeks earlier, the World Health Organization had declared COVID-19 a global pandemic—setting in motion a series of events that would redefine clinical care. Now, in April 2025, we mark 5 years since that turning point—not just to remember the disruption, but to reflect on the transformation.
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Feb 28, 2025 | 
optometrytimes.com | Shan C. Lin |John Berdahl |Jordana Joy
On February 7, ODs and MDs gathered to discuss innovations and advancements in glaucoma treatment at Glaucoma 360. The Eye Care Network sat down with Shan Lin, MD, and John Berdahl, MD, for exclusive insights into the future of comanagement.
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Feb 21, 2025 | 
optometrytimes.com | John Berdahl |Sydney M Crago |Modern Retina |Jordana Joy
February 21, 2025By John Berdahl, MD, overviews the new FYXS Ocular Pressure Adjusting Pump and HERCULES trial at the Glaucoma 360 meeting. John Berdahl, MD, practicing in Sioux Falls, South Dakota discussed the FYXS Ocular Pressure Adjusting Pump during the recent Glaucoma 360 meeting. This is the first non-surgical, non-drug treatment for glaucoma approved by the FDA in June 2024. The pump consists of 2 ocular chambers that attach to a negative pressure pump.
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Nov 11, 2024 | 
healio.com | Anthony DeFino |Nancy Hemphill |John Berdahl |Eamon Dreisbach
Read more You've successfully added Cataract Surgery in Ophthalmology to your alerts. You will receive an email when new content is published. Click Here to Manage Email Alerts We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. NEW YORK — In this Healio Video Perspective from OSN New York, John P.
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Jul 30, 2024 | 
mdpi.com | Ritu Sampige |Joshua Ong |Ethan Waisberg |John Berdahl
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
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Oct 13, 2023 | 
healio.com | John Berdahl |Anthony DeFino |Christine Klimanskis
You've successfully added Ophthalmology: Cataract Surgery to your alerts. You will receive an email when new content is published. Click Here to Manage Email Alerts We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. NEW YORK — In this Healio Video Perspective from OSN New York, John P. Berdahl, MD, discusses potential factors for residual astigmatism after cataract surgery.
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Sep 28, 2023 | 
mdpi.com | Mouayad Masalkhi |Joshua Ong |Ethan Waisberg |John Berdahl
1. IntroductionAstronauts during space flight and microgravity face a range of physiological and pathological challenges that include variations in intraocular pressure (IOP). Prior research has documented an initial elevation in IOP during space travel and thus it is a theoretic risk factor for the development of or progression of glaucoma [1].
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Sep 9, 2023 | 
dovepress.com | Sahar Bedrood |John Berdahl |Arsham Sheybani |Inder Singh
Back to Journals » Clinical Ophthalmology » Volume 17 Authors Bedrood S, Berdahl J, Sheybani A, Singh IP Received 9 September 2023 Accepted for publication 22 November 2023 Published 14 December 2023 Volume 2023:17 Pages 3899—3913 DOI https://doi.org/10.2147/OPTH.S439457 Checked for plagiarism Yes Review by Single anonymous peer review Peer reviewer comments 3 Editor who approved publication: Dr Scott Fraser Sahar Bedrood,1 John Berdahl,2 Arsham Sheybani,3,4 Inder Paul Singh5 1Advanced Vision...
