As far as I know, I have very little wrong with my eyes. Okay, I have a lazy eye and have some glasses for it, but I don't bother wearing them anymore. It doesn't affect me too much.
However, earlier, when I was leant over painting, I noticed the light flickering. It kept flickering, which really irritated me. So I switched off the main light and switched on the lamp, the flickering continued. I walked out of the room and into the bathroom, switched the light on and, lo behold, the flickering continued. By now, I was pretty sure that it was nothing to do with the lights, and more my eyes. I'm not sure what it is, but I'm panicking a little here.
As far as I know about my eyes, I'm short-sighted in one, long-sighted in the other. I have no figures.