Think you need glasses? Probably not as much as an octopus in low oxygen conditions. New *eye-opening* research by lead author Lillian McCormick, Scripps Institution of Oceanography, shows that exposure to low oxygen levels can render some invertebrate larvae almost blind. Imagine if you lost your vision every time you held your breath! Learn more in today’s comic: octopus optometrist

Still curious? Learn more here.

Feeling ambitious? Check out the actual scientific article here.