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Not later in life - year 10 for me. My mother suddenly realised that I was having trouble seeing detail on the TV screen and had my eyes tested. I've required distance ever since. About 7-8 years ago (since late 40's), I needed glasses for reading.
Just experiment yourself. Most probably both eyes are different so try reading, then seeing distant signs, one eye at a time and see if your eyes are different. But best you see the experts. One bulk-billed visit and you will know.
I don't use glasses through the eyepiece (thanks to focussers), but I need them to see the sky, unfortunately. I have to wear my distance glasses when I want to see the sky. Where this intersects with equipment is when I 1) use binoculars and 2) use a finderscope. In both cases I either have one eye on the sky directly (finderscope) or want to move back and forward (binoculars).
Gets really difficult then when I want to read a chart at the same time - I need different glasses for that! Yes, I have tried multifocals, but I find them too annoying because there is just one magic spot that you can look through them to see close and one more spot to see far! (I use multifocals solely for driving.)
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