Mike Brown is bringing a second pair of glasses to the second round.

It wasn’t until the Knicks coach fell to the floor of State Farm Arena and veered toward Jeff Van Gundy-like infamy — while attempting to prevent Mitchell Robinson from fighting Atlanta’s Dyson Daniels in Game 6 — that Brown’s priority shifted.

“I had a lot of the right thoughts going in when I got in the middle of it [and] they all went out the window,” Brown said Saturday. “The only thing I could think of is that I had one pair of glasses … I’m blind as a bat … Once I went down, my glasses came off my head. I didn’t care about anything else.…