Not everyone can wear contact lenses. I wear them and wish I didn't have to, but it's better than wearing glasses. It's not a vanity thing, it's an annoyance. It's so easy to smudge them while adjusting them. It's hard to workout in glasses, because sweat makes them slide down.
Lauren Bacall was having a REALLY hard time reading her lines, though. I guess she didn't try to memorize? But at her age, we'll let it slide