Thanks Dunk and Kevin.
Kevin, I first noticed my vision going when I was reading photocopied papers. I'd shrink down 2 page journal articles to fit a single A4 page and some of the subscripts on the equations were getting blurry. That was about 15 years ago. I got the presbyopia a bit earlier than most, in my 30's. Seems that around age 45 it's almost universal to lose near focus (unless you're long sighted to begin with).
I find glasses a pain when working with the scope, but it's not such an issue since I don't do much visual.
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