I have always had terrible eyesight. Anything that I want to see clearly without my glasses on has to be roughly five inches in front of my face, or it's soft, fuzzy or completely blurred out of existence.
I got my first pair of glasses when I was fourteen. I had assumed up until then that everyone must have seen as badly as I did, because I'd been passing the eye exams given in school ever since I was five years old. Obviously, if my vision was bad, it would have been caught somewhere and some when. Certainly I'd failed the color blindness test when I was six years old: I couldn't (and still can't) see whatever magic number is supposed to reveal itself from the rough pattern of seemingly random dots on the paper. However, nobody pointed out that I was also blind as a mole rat.
With my glasses on, I can see your secrets.