need an anatomy help identifying what this area is .

#1

this fold
http://postimg.org/image/g5rf6lkyr/
http://postimg.org/image/uoerl8pt3/
I have trouble identifying what this dipness (shaded in blue) is caused by , looked for images I couldn’t find a good reference for it ,is it is caused by the lacrimal bone?
also I am unsure whether the eye lid (eyes corner) sets in front or behind the the lacrimal bone .
thanks in advance .