Add Yahoo as a preferred source to see more of our stories on Google. The Narwall Mask is inspired by snorkeling gear. (Photo: Narwall) When it comes to masking up during the coronavirus pandemic, ...

Ordinarily, farsighted scuba divers have to either get a prescription-glass bifocal mask, or apply adhesive magnifying lenses to their existing mask. Now there's a new alternative, in the form of what ...