Headband type magnifier w/ lights for TT setup

Here's a link to the first one I came across. I figured when staring down at those hard to see alignment tools to see if the needle is exactly where it should be. Does anyone use one? Overkill? Thanks in advance.

https://www.stewmac.com/luthier-tools-and-supplies/tools-by-job/tools-for-maintenance/optivisor-head...