Thinnest wall of the orbit is
BONY ORBIT The medial walls of two orbits are parallel to each other and, being thinnest, are frequently fractured during injuries as well as during orbitotomy operations and, it also accounts for ethmoiditis being the commonest cause of orbital cellulitis( ethmoidal infection spreads medial wall into orbit). Reference :- A K KHURANA; pg num:-377
Medial wall
Floor
Roof
Lateral wall
Anatomy, Development and clinical examination