By using this site, you agree to our Privacy Policy and our Terms of Use. Close
Bandorr said:
Odds are.. for the same reason pirates do/did.
You "black out" one eye so that when you go into a dark room you instantly switch the eye patch and you have no delay in regaining your vision.

All about the rods and cones.

Wholly Carp, I had no idea this was a thing.  That's awesome!