Distraction
Ground Event / Encounter Object
General None Reported / Taken
Environment - Non Weather Related; Human Factors
Loading one piece XXX lbs of freight; I stopped power-stow to check and had 1/2 to 1/4 inch clearance. It was dark and my glasses were foggy due to wearing mask and I could not see bolts protruding from freight which scratched cargo door.
Ramp Agent reported damaging the aircraft during cargo loading because the agent's eye glasses were fogging up due to the face mask.