The man sees men walking around, yet they are not clear to him, so he compares them to trees. AT: "Yes, I see people! They are walking around, but I cannot see them clearly. They look like trees" (See: [[rc://en/ta/man/translate/figs-simile]])
The phrase "his sight was restored" can be written in active form. AT: "restoring the man's sight, and then the man opened his eyes" (See: [[rc://en/ta/man/translate/figs-activepassive]])