Stop in for a cup of coffee

Nope. Always been a problem for me,even with welding fume extractor.
It could be just the flash,i get headaches if i drive on a sunny day without sunglasses. Actually i cant drive on a sunny day without them.
Yeah, could be an eye strain headache. My wife gets them. They come from the repeated dialation and contraction of the iris in response to light changes. Feels a bit like a sinus headache.

A similar thing can happen when watching TV in an unlit room. That’s why they say watching TV in the dark is bad for your eyes.