I have also wondered about eye improvement. I have two pairs of glasses. One is for normal use, and one is for when I am not in front of the computer. B-)
I've realized that I don't give my eyes too much practice with focusing on things in the distance. I am almost always looking at a distance of about a computer monitor or maybe just across a room.
Basically, I think that if I give my eyes more practice, they won't get so tired doing the same thing everyday. Of course, I don't expect to not need glasses without laser correction, but at the very least I can avoid the following strange effect.
When I was at my sister's graduation ceremony, it was held at a sports arena. I looked across to the other side of the arena, and I saw an exit sign...and it seemed to be wiggling. That is, when I tried to focus on it, I found that it seemed to move, almost like a twinkling star. In fact, when I later had the opportunity to go on a camping trip, there was a full moon, and it also seemed to wiggle in place like the exit sign.
I think that my eyes are just out of practice with focusing on things at a distance. I need to change my lifestyle to give myself some more opportunities to practice looking at things from far away.
Erki: I also love being out in the sun. Things at a distance are so much easier to see and read. It is why I prefer to do road trips during the day rather than at night. It's too easy to get sleepy when in a box of darkness with the drone of the engine.
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