Why Do You Get Red-Eye In Photos? | QI

You can now watch every series of QI, including this one, on iPlayer! ▶ http://qi.com/iplayer Follow QI on Twitter ▶ http://twitter.com/qikipedia Follow QI on TikTok ▶ https://www.tiktok.com/@theqielves Follow QI on Facebook ▶ http://facebook.com/officialQI Follow QI on Instagram ▶ http://instagram.com/theqielves Subscribe on YouTube ▶ http://youtube.com/theqielves For more visit ▶ http://qi.com This clip is from QI Series V, Episode 5, 'Visual' with Sandi Toksvig, Alan Davies, Maisie Adam, Jack Dee and Kiri Pritchard-McLean.