After an explosion caused by a bomb placed by Red John, Patrick was temporarily blind, and even if the doctor and Lisbon forbidden him to work, and as stubborn as he is, he didn’t listen and came back in the CBI office.

When you see him you looked at him, annoyed as always just like when he breaks the rules, you asked him what he was doing there even if you knew why...

"What I was supposed to do, sit there and watch tv ? I may be blind but my other senses are developed too..."