Protecting Sight #223: Mapping the uncharted world. Phakic IOLs, meniscus IOLS, RKs, & orbital swelling post-IAC. John Adams writes, “We cannot insure success, but we can deserve it.”

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 – Tawanda Kanhema: My journey mapping the uncharted world. “Significant pieces of the globe are literally not on the map: they’re missing from the most widely used mapping platforms, like Google Street View, leaving communities neglected of vital services and humanitarian aid. In this globetrotting talk, photographer Tawanda Kanhema takes us along on his journey to map 3,000 miles of uncharted areas in Zimbabwe, Namibia and northern Canada — and shows how we can all contribute to building a more connected world.” (

Love the innovations from open source GPS, software, and individual grit.

2. Cataract Surgery – Uday Devgan MD – Anterior Chamber Phakic IOL removal. Dr. Devgan writes, “Phakic IOLs are useful to address extreme degrees of myopia, but there are potential complications. Previously, we have featured cases of posterior chamber phakic IOLs which rubbed the anterior lens capsule and induced cataracts. In this case, there is an angle-supported anterior chamber phakic IOL which is causing corneal decompensation. Our guest surgeon is Dr. Buonsanti Dante, MD from Buenos Aires, Argentina and he shows us the technique of combined phakic IOL removal plus cataract surgery. This case is confounded by prior radial keratotomy and also this AC phakic IOL is made of PMMA so it is not foldable and it also cannot be cut inside the eye.” Great case.

3. Journal article – Friedman EL, Froehler MT, Daniels AB. Orbital Swelling in a Child With Retinoblastoma Following Intra-arterial ChemotherapyJAMA Ophthalmol. Published online January 21, 2021. doi:10.1001/jamaophthalmol.2020.4675

4. David McCullough, John Adams (2001). Chapter 2, Part II, page 89-110. Adams in Philadelphia in early 1775 – early 1776. Mentions and places in great context Thomas Paine’s Common Sense and Adams’s Thoughts on Government.

Fascinated by a February 1776 letter John Adams writes to his wife, Abigail. Adams states, “We cannot insure success, but we can deserve it.” The line was paraphrased from Joseph Addison’s play Cato. The letter can be seen online via the Massachusetts Historical Society here.

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