"Excuse me," she said.
I looked up and over. A few paces to my right, also contemplating the yogurt, was a pleasant looking woman about my own age.
I smiled encouragingly, and she asked if I could help her.
"I forgot my glasses at home," she explained, "I was wondering if you could read the side of these containers for me, so I can compare the calories and fat."
"Certainly," I said, "as soon as I get these out of the way..." and proceeded to slide my own spectacles down my nose so I could give her the information she sought.
The opposite sides of the aging eye spectrum.