I started having that problem when I was forty. One thing about it I didn't have any problems locating my safety glasses when the safety man was coming -- they were right there on the end of my nose =8-)
I hate to sound like an old man but when I was a young fellow calipers just weren't the thing. In those days machinists usually furnished their own 1 & 2 inch Micrometers and in most shops they had to be either Starrett or B&S.
Bruce in Bangkok (brucepaigeatgmaildotcom)