Lid hygiene most important for both anterior and posterior<unk> 
Avoid eye-makeup
Warm compresses 15min 4x/day
Scrub with mild shampoo BID
Consider topical erythromycin or bacitracin directly onto lid margin
No conclusive evidence for oral antibiotics or topical steroids
Blepharitis
Normal IOP
Periorbital cellulitis
Orbital cellulitis
Facial cellulitis
Orbital pseudotumor
Orbital tumor
Sympathetic ophthalmia