A 11-year-old female reported in eye OPD with swollen and red left eye and it seemed to be worsening. The patient also stated that it had been more difficult to open her left eye and there had been some mattering on her eyelids. She also noticed diplopia and gave h/o left nasal pain 03 days prior to presentation. (1+1+0.5)

a. How will you differentiate between preseptal and orbital cellulitis

b. How will you manage the case?

c. Enumerate complications of the disease