Marquez’s vision problems return after violent Indonesia MotoGP crash

The six-time MotoGP world champion suffered a horrifying highside crash in the closing stages of Sunday morning’s warm-up at the Mandalika International Street Circuit when the rear of his Honda let go through the Turn 7 right-hander.

Marquez was taken to hospital after the crash for precautionary checks and was ruled out of the race having suffered a concussion.

While the initial…