Over head lighting is always going to cause issues with it being above, and behind you, and thus what you're trying to look at being shaded. I have found that while it's useful to have some general room lighting, for any detail, I want task lighting. Depending on where I am this is either from a DIY high CRI desk lamp, or I have some Makita work lights that run on 18v batteries and can be positioned to light what I need.
Works very well.
J