Which of the following is the weakest part of the orbit?
Medial wall
Lateral wall
Floor of the orbit
Roof of the orbit
Each orbit resembles four-sided pyramid, on one side. Thus, it has

Apex - situated postero-medially.
Base.
Four walls - Roof, floor, lateral and medial wall.
	
Lateral wall is the thickest and strongest of all the walls.
Medial wall is very thin, so considered as the weakest.