Hearing impaired.
 
		Perhaps an 'NPC dialog' for indicating that an objective is nearby, close to the same radius as the audio for the glowie.
	
	 
 
	Color-blindness graphics options:
 
		Red/Green
	
	
		Blue/Yellow
	
	At a minimum, I think it might be helpful for folks if they could apply these changes to their UI, in particular the buttons for powers. This is something I've seen mostly in mobile apps, though not many. But I know that players really appreciated it when it was an option.