Blindfolds prevent you from hearing visible_messages, even if they specifically have messages for deaf people
Created by: 9600bauds
If you have the BLIND disability and someone welds a vent near you, you hear the sound and get the message "You hear welding." If you have a blindfold on and someone welds a vent near you, you get just the sound and no message.
I think people with blindfolds just don't count for "in viewers" at all.