Once I felt like I'll be really attentive and answer confidently, and in the end I got overminused. The hesitation is part of the signal. If it's 1% sharper, even if you can tell which one is 1% sharper, you gotta say hmmm number 1 is a bit better but just a little.

Adding -0.5 to the diopter will often make the distance noticeably sharper in appearance while not really giving you more lines you can read, it's a sensation of sharpness but not really more info. And for that you a price because near vision will require straining your eye muscles to accommodate, and that will often cause headaches and tiredness after reading or working at a monitor.