Fifa have photographed all the teams and their staff at this World Cup, with the photoshoots becoming a staple of coverage of their biggest tournaments in the last decade.

The Argentine, one of the most respected coaches in the game, who is managing his third nation at a World Cup after previously achieving the feat with Argentina and Chile, was then asked a different question, but he returned to the same subject.

"There is a limit in terms of what we need to explain," he added.

"If I'm wearing glasses, why am I wearing glasses?

"You look somebody in the eye, why do you do that?

"There is nothing wrong about wearing glasses or looking into somebody's eyes or looking down."

Uruguay's second pool game is against tournament surprise package Cape Verde on Sunday (23:00 BST).