[W]hen going from bright light to maximum darkness, studies have shown, eye sensitivity continues to change for up to 25 minutes, he says. …
"Ever wonder why a pirate wears patches? It's not because he was wounded in a sword fight," says Dr. Sheedy. Seamen must constantly move between the pitch black of below decks and the bright sunshine above.
Smart pirates "wore a patch over one eye to keep it dark-adapted outside." Should a battle break out and the pirate had to shimmy below, he would simply switch the patch to the outdoor eye and he could see in the dark right away—saving him 25 minutes of flailing his cutlass about in near blindness.
Unlock a year of full access to The Daily Beast for $35.
Monthly
$1
First monththen $5.99/month
Unlimited access (web + app)
Exclusive ad-free newsletters
Commenting access
Daily crossword
Sneak peek of launches & events
Auto-renews at $5.99 monthly. Cancel anytime
Annual
$35
First yearthen $59.99/year
Discounted annual rate - Save 47%
Unlimited access (web + app)
Exclusive ad-free newsletters
Commenting access
Daily crossword
Sneak peek of launches & events
Auto-renews at $59.99 yearly. Cancel anytime
Best Value
Premium
$79
First yearthen $119.99/year
Discounted annual rate
Full access to the Daily Beast Substack ($60 value)*
Premium ad-free reading
Unlimited access (web + app)
Exclusive ad-free newsletters
Commenting access
Daily crossword
Sneak peek of launches & events
Auto-renews at $119.99 yearly. Cancel anytime
*Substack access provided by the next business day, using your subscription email. Choosing the Premium plan constitutes your permission to share your subscription email with Substack and your agreement to Substack’s Privacy Policy.
Looks like you already have a subscription!
You're all set!
Thanks for subscribing.
Subscription$0.00
Total$0.00
OR
Loading subscription options
Register below to read this article for free or subscribe to unlock unlimited access to The Daily Beast.
Monthly
$1
First monththen $5.99/month
Unlimited access (web + app)
Exclusive ad-free newsletters
Commenting access
Daily crossword
Sneak peek of launches & events
Auto-renews at $5.99 monthly. Cancel anytime
Annual
$35
First yearthen $59.99/year
Discounted annual rate - Save 47%
Unlimited access (web + app)
Exclusive ad-free newsletters
Commenting access
Daily crossword
Sneak peek of launches & events
Auto-renews at $59.99 yearly. Cancel anytime
Best Value
Premium
$79
First yearthen $119.99/year
Discounted annual rate
Full access to the Daily Beast Substack ($60 value)*
Premium ad-free reading
Unlimited access (web + app)
Exclusive ad-free newsletters
Commenting access
Daily crossword
Sneak peek of launches & events
Auto-renews at $119.99 yearly. Cancel anytime
*Substack access provided by the next business day, using your subscription email. Choosing the Premium plan constitutes your permission to share your subscription email with Substack and your agreement to Substack’s Privacy Policy.
