I hear you brother. Blurry vision and parallax was and remains one of the main incentives for me to try to find a simpler and effective way to wind a proper coil consistently. Lots of lighting and magnification help but only so much. It's been indispensable for me for some years now. So I don't wind with the regularity that I used to. I go zen on the winds and count turns by feel with a needle. It's proven more accurate when the vision deceives. When conditions are fair I turn out as many as I can so I can try to focus on the mechanics of installation. Unused battery cases full of 'em for those really rainy days.
But the most challenging part is oxidation. You can't avoid monitoring the power level on a variable. Too much voltage or for too long or you'll undo the strain of the wind. Using my iPhone's magnification feature really helps inspect for spot gaps that may be impeding uniformity. You focus compression on that part of the coil 'till they're all pretty. Or as I mentioned earlier, can 'em if not worth the effort.
For my it's a labor of love for my vape. I know the consistency will get me the result I crave. I'm patient. Don't tax myself to frustration. Work on several of 'em at a time when I can. Eventually I get enough of a reserve level that I don't fret about it. I do it for the joy I know is coming. And now, for the certainty that I'll likely not be able to easily find a substitute, if at all.
Best of luck Spydro. Enjoy the vape.