Graves' disease (bilateral)
Cavernous sinus thrombosis
Carotid-cavernous fistula
Orbital cellulitis
Mucormycosis
Orbital fractures
Orbital hematoma
Normal IOP
Orbital cellulitis
Orbital pseudotumor
Orbital tumor
Increased IOP
Retrobulbar abscess
Retrobulbar emphysema
Retrobulbar hemorrhage
Ocular compartment syndrome
Orbital tumor
Orbital cellulitis
Orbital pseudotumor
Orbital tumor
Retrobulbar abscess
Retrobulbar emphysema
Retrobulbar hemorrhage
Ocular compartment syndrome
Orbital tumor
Periorbital cellulitis/erysipelas
Dacryocystitis (lacrimal duct)
Dacryocele/Dacryocystocele
Dacryostenosis
Dacryoadenitis (lacrimal gland)
Allergic reaction
Nephrotic Syndrome (pediatrics)
Blepharitis (crusts)
Chalazion (meibomian gland)
Stye (hordeolum) (eyelash folicle)
Subperiosteal abscess
Orbital abscess
Cavernous sinus thrombosis
Conjunctivitis
Contact dermatitis
Herpes zoster
Herpes simplex
Sarcoidosis
Granulomatosis with polyangiitis
Proptosis
Graves' disease 
Periorbital swelling
Cavernous sinus thrombosis
Subconjunctival hemorrhage
Carotid-cavernous fistula
Ocular palsy
Orbital cellulitis