Then he hurried to take the bandage away from his eyes, and the king of Israel recognized him as one of the prophets.
Here is an account of what followed upon the victory which Israel obtained over the Syrians. I. Ben-hadad's tame and mean submission. Even in his inner chamber he feared, and would, if he could, flee further, though none pursued. His servants, seeing him and themselves reduced to the last extremity, advised that they should surrender at discretion, and make themselves prisoners and petitioners to Ahab for their lives, Kg1 20:31.
Commenting on 1 Kings 20:31-43
And he hasted, and took away the ashes from his face,.... Took off the linen cloth from his eyes, unveiled or unmasked himself: and the king of Israel discerned him, that he was of the prophets; he knew him again, having seen him once or twice before; otherwise there could be nothing in his face that could discover him to be a prophet, rather he...
Took the ashes away - He took the bandage from off his eyes: see on Kg1 20:38 (note). It was no doubt of thin cloth, through which he could see, while it served for a sufficient disguise.