Chains Of Misery Lyrics

Lyric discussion by IRON MIADEN! 

Cover art for Chains Of Misery lyrics by Iron Maiden

it seems to me like its about a guy being manipulated in a way. or maybe some metaphorical way of describing depression. There's a madman in the corner of your eye He likes to pry - into your sunlight

im not sure. but it seems like something is causing this person great mental distress