Your Coronavirus / COVID-19 briefing

Imagine not being able to recognize the people you see every single day; your coworkers, your friends, your loved ones. “Prosopagnosia,” or “face blindness,” as it’s commonly known, is a disorder that impacts about 1 in 50 people, and some may not even know about it. They may go their whole lives struggling to recognize the important people in their lives, often relying on non-facial information like hair color or gait to distinguish people. Neuropsychologist Ashok Jansari joins Dr. Sanjay Gupta to talk about how people with prosopagnosia see the world, the mechanism behind this condition, and what can we learn from those with these deficits about face recognition. 

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More than 50% of the thinking part of the human brain is dedicated to processing visual information. We are, in a word, visual beings. And yet around the world, our vision is getting worse — and we’re not quite sure why. Abdul talks about the life-changing impact of correcting vision. Then he speaks with Sarah Zhang, staff writer at The Atlantic, about what we know about the growing burden of nearsightedness.