I've needed glasses since second grade, when an eye exam revealed I couldn't even see the big E at the top of the vision chart. I switched to contact lenses as a teenager, and wore them for almost 30 years before they became too much of a hassle and I went back to glasses.
Most of the time the glasses aren't too inconvenient, and sometimes it's even an advantage to have them on all the time. Now that I need glasses for reading too, I never have to worry about misplacing the "readers", because I have lineless bifocals; reading glasses and distance glasses rolled into one.
However, the glasses can be a big problem at the gym. I sweat a lot whenever I'm doing any type of aerobic activity. I'm continually taking off my glasses to wipe the sweat off my face. Today I had a revelation and I took off my glasses while I was working out.
I was taking a cycling class, which is a roomful of people on stationary bikes riding along to music. The instructor tells everyone what to do--go faster, slow down, turn up the bike's resistance dial (to simulate riding up a hill), or decrease it to "race". I've been doing the class for about nine months; it was only today that I realized that I didn't have to see to do what the instructor was saying. I took my glasses off and laid them on a ledge behind me.
It was very surreal. Without my glasses I can see shapes but not much else. The spinning room is part of the larger gym complex in a strip mall, but it has a big window that looks out over Manchester Road. I like to use a bike that affords a view out the window, but I today I couldn't see anything with the glasses off.
When the class started, the music was pumping, and the instructor was shouting out commands. After about 10 minutes, the sweat started pouring off my face; it was even dripping off the tip of my nose. However, it was very easy to use my sleeve or my towel to wipe the sweat off, because there were no glasses in the way.
At the end of the class I put my glasses back on and everything came back into focus. As I left the building, I realized that this Thing was a winner; I'm DEFINITELY doing it again!