How does Evelyn Waugh use imagery in The Loved One?

Imagery:

"And the face which inclined its blind eyes towards him—the face was entirely horrible; as ageless as a tortoise and as inhuman; a painted and smirking obscene travesty by comparison with which the devil-mask Dennis had found in the noose was a festive adornment, a thing an uncle might don at a Christmas party."

"Mrs. Joyboy had small angry eyes, frizzy hair, pince-nez on a very thick nose, a shapeless body and positively insulting clothes."