Rare Color Blindness Affects 10% of People on 'Island of the Colorblind'

There's an island in the South Pacific where a rare and extreme type of color blindness runs rampant, but in the rest of the world, it only affects about 1 in 30,000 people.
Published: 9:43 PM EDT August 12, 2019
Updated: 4:58 PM EDT August 12, 2019