That's when they really freak. I will admit I looked at them. Asked the clerk their advantages and disadvantages. No trade-off of appearance for sharpness of vision correction. So, although there's no line to betray that I'm old enough to need bifocals, people might pick up what I'm trying to hide because I'm swiveling my head like a kittycat following a string you swing back and forth in front of it.
Kitties are awfully cute when they do that.
I'm not so sure about me. Next time I go through a siege with my glasses hurting me behind the ears, I could wear a pince-nez until the mastoid calmed down. Although she's never articulated it, Peg probably does maintain an upward limit of tolerance on my eccentricity. A pince-nez, I suspect, would define it. Millar is film critic for the Houston Chronicle.