Supposedly the intensity of a "black light", the UV emitting lamps found in clubs/bars/amusement attractions/etc are below the harmful threshold. I have never

Supposedly the intensity of a "black light", the UV emitting lamps found in clubs/bars/amusement attractions/etc are below the harmful threshold. I have never been comfortable in their presence as my eyes begin to fatigue and I experience discomfort. YMMV.