You've seen those viral videos of colorblind people putting on special glasses and reacting to colors they've never seen before! Today, we'll explore how colorblindness works and what those glasses try to do to fix it! Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, D.A. Noe, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Nicholas Smith, Tim Curwick, Alexander Wadsworth, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: nei.nih.gov/health/color_blindness/facts_about cen.acs.org/articles/95/i6/Experimenting-EnChromas-color-blind-assistance.html www.smithsonianmag.com/innovation/scientist-accidentally-developed-sunglasses-that-could-correct-color-blindness-180954456/?no-ist pogue.blogs.nytimes.com/2013/08/15/glasses-that-solve-colorblindness-for-a-big-price-tag/?_r=1 www.ncbi.nlm.nih.gov/pubmed/6971497 www.dtic.mil/get-tr-doc/pdf?AD=ADA093031 faculty.washington.edu/sbuck/545ColorClass/Sharpe%26Jagle.2001.pdf www.sciencedirect.com/science/article/pii/S003962578180001X faculty.washington.edu/sbuck/545ColorClass/Sharpe%26Jagle.2001.pdf www.microsoft.com/en-us/garage/profiles/color-binoculars/ Images: commons.wikimedia.org/wiki/File:Cone-fundamentals-with-srgb-spectrum.svg commons.wikimedia.org/wiki/File:%D0%92%D0%B5%D1%87%D1%96%D1%80_%D0%BD%D0%B0_%22%D1%96%D0%BD%D1%82%D0%B5%D0%B3%D1%80%D0%B0%D0%BB%D1%96%22_-_%D1%80%D1%96%D1%87%D0%BA%D0%B0_%D0%9F%D1%96%D0%B2%D0%B4%D0%B5%D0%BD%D0%BD%D0%B8%D0%B9_%D0%91%D1%83%D0%B3.jpg commons.wikimedia.org/wiki/File:Deuteranopia_sight.jpg commons.wikimedia.org/wiki/File:Ishihara_9.png