Yes. You can't see through walls or stuff like that in the real world. But ghosts can see it in the Ghost World. You just have to switch between the "channels."

[Yomiel should consider giving a speaking tour about the pros and cons of being a dead guy.]

So if I'm possessing Soba, I reach her in the Ghost World. Then I go back to the real world once I'm possessing her. I can... sort of see through her eyes, if I look, but I can also sense around her, sort of.