I wear glasses all the time because I’m short sighted, so sometimes I get away without wearing anything else as well.
There are other times when I have to wear extra safety glasses or a full face mask if I think that my glasses won’t be enough to stop my eyes getting damaged if something goes wrong. You only have one pair of eyes and they have to last you all your life!
Yes, I have to wear protective goggles when I work with the laser. They rely on special filters which attenuate the intense light emitted by the laser and which would otherwise permanently damage my eyes.
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