![VICE Season 4 Episode 4 VICE Season 4 Episode 4](https://image.tmdb.org/t/p/w185/toxQ3bsLTACAB97CL7Ajk9t56pH.jpg)
VICE Season 4 Episode 4
Isobel Yeung reports on the doctors and researchers who are making incredible strides in the fight against blindness. Hamilton Morris travels to California’s infamous Emerald Triangle to meet struggling mom-and-pop growers, and visits with the investors and entrepreneurs eager to cash in on the next big consumer market–even if it could put the small guys out of business.