Three articles discuss various causes and consequences or orbital cellulitis. The first highlights the possibility of orbital cellulitis causing cavernous sinus thrombosis and in the case presented progression to internal carotid artery aneurysm. The authors highlight the importance of considering cavernous sinus thrombosis when unilateral orbital signs become bilateral in the context of orbital cellulitis. The second paper describes a case of orbital inflammation nine days following hydrogel scleral buckle removal. The authors use magnetic resonance spectroscopy to aid diagnosis – ruling out suppurative and neoplastic causes. The inflammation is proposed to have occurred secondary to release of fragments of the hydrogel buckle into the orbit. The third paper describes a case of orbital cellulitis secondary to a dental abscess. The authors describe the polymicrobial nature of the infection and, hence, the need for broad spectrum antibiotic cover and possible dental extraction.