Well.. This is not aviation related experience, however, if someone will choose to use really powerful device, it probably will be like this.
So, this happened literally with me. Long story short, infrared soldering station accidentally was switched on.
This is not like some colorful flash in the eye, this is like been hit by heavy object in the face. IMMEDIATELY, it creates all sorts of head trauma effects: dizziness, loss of orientation, headache. And immense adrenaline rush.