Yep this was dads problem - plus he was also very hard of hearing so couldn’t always hear the clicksI just count the clicks. Each click on mine being a half unit. But to be fair I rarely dial in an amount over 10. I can imagine counting 30+ clicks would be a bit much.
When I had my eye issues a few years back.While not a perfect solution, and depending on phone might not even be workable.
Anytime I struggle to see things like instructions on food or it's ingredients.
I simply take a pic with my phone and enlarge to read wording more easily.
Simply, easy & likely available right now.