It doesn't surprise me that your bends are better when you don't look at the fretboard. When you aren't looking, you are focusing with your ears, which is exactly what you should be doing :-).

Sometimes I have trouble hitting the wrong string with riffs that change strings a lot. The middle part of Day Tripper and the solo are a good example. I found that not looking down at the guitar gets me to about 99% accuracy. If I start messing up, I look up. Very counter intuitive, but it works...and I just go with it.

When my bends get pitchy, taking it another step and closing my eyes helps too, or I stare at the floor, or lean my head toward my amp so I can really focus on the sound of the bend.

See all of this great stuff we are learning!!