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Hello, I am a structural steel welder, and it's not uncommon for me to spend a full 8 hour day under my welding mask. I always try and use the darkest shade possible to protect my eyes from the arc flash, but even then when I lift my hood and blink a couple of times, I will still see a small dark spot right in the middle of my vision where the arc of the weld is the brightest through the lens...

It worries me because I feel like that can't be good for my eyes...but I don't really know of anyway to stop from happening.

When our light sensing cells get over stimulated like that, is it hurting them?