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From the USA: +52+1+612 157 0013 Page 60 •
Latitude 38
• July, 2018
or those of you with an interest in that most infamous, wretched and romantic sect of sailors — pirates — you might have heard that the eye patch was likely used as a means of maintaining "night vision" while raiding a ship during daylight hours. "Jim Sheedy, a doctor of vision science, told the Wall Street Journal that while the eyes adapt quickly when going from darkness to light, studies have shown that it can take up to 25 minutes for them to adapt when going from bright light to darkness," www.mentalfloss.com reported."'The smart [pirate] wore a patch over one eye to keep it dark-adapted outside. When the pirate went below decks, he could switch the patch to the outdoor eye and see in the darkness easily." Duh. Most sailors know that you'll ruin your night vision if you fire up a flashlight. But the now-canceled (and once Bay Area-based) MythBusters actually put the theory to the test in 2007. "The MythBusters were sent into a dark room with light-accustomed eyes and were told to complete certain objectives. Their movements were hampered by the darkness and it took them five minutes to finish. But, when they went into a rearranged but equally dark room with an eye that was covered for 30 minutes, they were able to complete the test in a fraction of the time. As a control test, the MythBusters then went back into the same exact room with light-accustomed eyes and ran into the same difficulty as the first test. The myth was deemed plausible." Mentalfloss said that only a "lack of historical sources" kept the myth from being confirmed.