2 Kings 6:17-18

6:17 Then Elisha prayed, “O Lord, open his eyes so he can see.” The Lord opened the servant’s eyes and he saw that the hill was full of horses and chariots of fire all around Elisha. 6:18 As they approached him, Elisha prayed to the Lord, “Strike these people with blindness.” The Lord struck them with blindness as Elisha requested.

2 Kings 6:20

6:20 When they had entered Samaria, Elisha said, “O Lord, open their eyes, so they can see.” The Lord opened their eyes and they saw that they were in the middle of Samaria.