Protecting Sight #249: The function and fashion of eyeglasses. A dense endo-nucleus, anisocoria, Adie’s tonic pupil, and The Great Mental Models.

Welcome to my daily learning journal. My daily goal is to watch one Ted Talk and one cataract surgery. I also plan to read one journal article and read/listen to a book chapter, podcast, or significant work.

Here is today’s list:

1. Ted Talk – Debbie Millman: The function and fashion of eyeglasses. “Glasses were originally created to overcome physical obstacles, but design evangelist Debbie Millman shares how they turned into a fashion statement.” (

Fun talk. I loved the insights and historical images.

2. Cataract Surgery – Uday Devgan MD – 1017: complete case with dense endo-nucleus. Excellent pearls & technique.

3A. Andrew Lee MD – Anisocoria. I’ve decided to watch Dr. Lee’s videos from oldest to newest! Hundreds of short videos which highlight neuro-ophthalmology concepts.

3B. I found Dr. Adie’s 1932 article on Adie’s tonic pupil: W. J. ADIE, TONIC PUPILS AND ABSENT TENDON REFLEXES: A BENIGN DISORDER SUI GENERIS; ITS COMPLETE AND INCOMPLETE FORMS, Brain, Volume 55, Issue 1, March 1932, Pages 98–113,

4. The Great Mental Models Volume 1: General Thinking Concepts by Shane Parrish and Rhiannon Beaubien. 2019. I have been listening to the Knowledge Project (podcast) by Shane Parrish for a few years. His podcast is an often intense and engaged listening and learning session. I look forward to exploring his book series.

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Join us on Wednesday February 24, 9 pm EST!

5. KOL Knockout™: Cataract Edition — Maximizing the Use of Aberrometry, Femtosecond Lasers, and Advanced IOLs to Improve Postoperative Outcomes in Cataract Surgery. Join us on Wednesday February 24 at 9 pm EST! Delighted to be a panelist with cutting edge colleagues. Registration (FREE CME!)

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