I just happened to be reading the article on my tablet at the exact distance needed to make the blind spot test work without needing to adjust. I've seen the e

I just happened to be reading the article on my tablet at the exact distance needed to make the blind spot test work without needing to adjust. I've seen the effect before, but this time when I closed one eye, before I moved another muscle, the letter disappeared as completely and instantly as if it was done digitally. I knew what to expect and it was still amazing. A truly "holy shit" moment.