Sometimes it is hard to tell top from bottom

School bus

Retail will not survive with such rule.

Superman II was released in the US at June 1981, this comics is from August 1981.

This 1984 panel was made before the days of disposable contact lens. If your hard len fell, you would try to find it (and put it back) instead of just open a new disposable soft lens pack. It was a trope in movies, someone lost a len and try to find in on the ground, someone else step on it or the first person bump into the other person. If both pilots can’t see, well…