Josh Duhamel doesn’t subscribe to method acting.

Indeed, while his London Calling character spends much of the upcoming film denying his declining vision and refusing to get glasses, Josh revealed that he has already undergone a procedure to improve his own vision.

“I’ve already had cataract surgery,” Josh exclusively told E! News correspondent Will Marfuggi at the Sept. 15 London Calling premiere. “I’m too young for that. But my vision is perfect now, perfect 20/20 vision.”

In the film, which premieres in theaters Sept. 19, the Ransom Canyon star steps into the shoes of a hit man, Tommy Ward, who is tasked with “manning” up his employer’s son Julian ( Jeremy Ray Taylor ) in exchange for safe passage across the pond to reconnect with his own son.

“It's one of those

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