Yeah... It's kinda hereditary. Everyone in my family has crappy vision, mine is just the best out of us. Everyone else wears glasses, be they reading glasses or glasses worn at all times. I'm the only one that doesn't have to. My vision was actually really good as a kid, it's just deteriorated fast. I could see for about half a mile, give or take, when I was a kid, and make out details like it was ten feet from me. Now, I can barely see details from across a room, although that depends on the size of the room. If it's the size of your average living room or smaller, I can see just fine. Anything larger than that, and that's when I start having problems. Why I'm surprised about this, though, is that I was in a pitch black room, and the brightness from my phone (even at the lowest setting, like it was) was really fucking with my eyes.