text: Orbital cellulitis may be classified according to the microbial family of the offending pathogen (bacterial vs. fungal), or by the management protocol (medical vs. surgical therapy). In 1970, Chandler's<unk>  was created to describe five groups of orbital complications of sinusitis. This system is often used to describe the extent of orbital and periorbital disease.
option_0: Orbital cellulitis classification
option_1: Blepharitis classification
option_2: Orbital cellulitis pathophysiology
option_3: Mastoiditis classification
option_4: Orbital cellulitis physical examination
option_5: Corneal ulcer laboratory findings
option_6: Orbital cellulitis epidemiology and demographics
option_7: Recurrent corneal erosion physical examination