Wow, that's a kind of dismissal that only those who have no idea how bad it gets can wield. Reading glasses help with clarity, but clarity is not the only issue with old eyes and other visual impairment. Sometimes you just plain need things bigger.
One day you'll look back on this exchange and cringe at the kind of person you used to be. Be better. Accessibility is important.
Signed, someone who's needed full-time prescription glasses for 35+ years and only recently started having to read small print on food and medicine containers with the zoom on my phone camera.