Chandler Class | Stage | Description |
I | Inflammatory Edema (Pre-septal cellulitis) |
|
II | Orbital Cellulitis |
|
III | Subperiosteal Abscess |
|
IV | Orbital Abscess |
|
V | Cavernous Sinus Thrombosis |
|
Reference:
Chandler JR, Langenbrunner DJ, Stevens ER. The pathogenesis of orbital complications in acute sinusitis. Laryngoscope. 1970;80(9):1414-28.