The exact pathogenesis of<unk>  is not fully understood. 
It is thought that<unk>  is caused by either bacterial colonization in the eyelids or meibomian gland dysfunction.<unk>  may also be caused by allergens and mites that affect the eyelashes.
Blepharitis pathophysiology
Orbital cellulitis pathophysiology
Onychomycosis risk factors
Cavernous sinus thrombosis pathophysiology
Blepharitis laboratory findings
Blepharitis causes
Erythrasma laboratory findings
Orbital cellulitis risk factors