Well just as the high SPL bass can damage your ears even if you can't hear it, the high luminosity light could damage your eyes even if it is too bright for you to see.
Mind you, you probably would see it as it would most likely be a start producing a very complex amount of colours. So just as you hear some of the bass, but not the one you are hoping to see, you would see some of the light, but not the most harmful ones.
The woes of being human and flawed. Then again, what fun would music be if we were osciloscopes.