Lyric discussion by weirdestweirdo 

Cover art for Glowing Eyes lyrics by Twenty One Pilots

i find all the comments right with their opinions:the glowing eyes are his dark thoughts and he is entertaining them while the someone at the door can be hid family,God/faith or life.

But what i thought when i first heard this song(an year ago) is that the glowing eyes represent his fans,the clique.Their eyes must be glowing from hope or the will to live.He is finding comfort with them but the somone at the door must be his own responsibilities or his own mental health.This means tyler is trying to fix others but he is forgetting to fix his own self and as he is finding comfort near the eyes/fans he want to keep being with them amd sing to them.This can be imagined as a concert:he is singing to all the eyes forgetting his own self and the eyes are singing back to him.Also the first stanza can be the song he is singing to the eyes.The stanza "the room is too dark for us to stay around, redemption's not that far and darkness is going down' can show his success in growing hope for the eyes.I also want to point out that the 'La da da da' has also been mentioned in tyler's 'Before you start your day' which played as lullaby or a tune to comfort someone and as it is present in this song too,it can show that tyler is comforting his fans or particularly all the depressed people.The verse which states that he enters the room of depression can be the room he is in now with all the other people but he is consoling them but fails to console himself and he can purposely enter that tom just to save those people.In the last verse he understands his mistake of staying in the room with the eyes because his depression is getting worse trying to console others.

My Opinion

@weirdestweirdo I actually had a similar interpretation as you did. The someone at the door seems to be his own priorities and health (mental and physical) but he's choosing to neglect them in order to sing to the glowing eyes, the fans, because he knows they feel the same depression he does/did and he wants to help. Even at the expense of himself.

Just my interpretation but I felt the last verse was actually about making the fans stop feeling this way. He is determined to help his fans with his music, because he cares deeply for them. Kind...