·AIM:To report the involvement of extraocular muscles in a patient with pansinusitis.METHODS:A case report.RESULTS:A 43 years old man presented to eye clinic with a history of diplopia for a month.Ocular examination revealed right sided superior oblique and inferior rectus palsy or superior rectus restriction.Investigation with CT however revealed superior rectus thickening with surrounding pansinusitis.Drainage of ethmoid sinus and superior rectus recession was done to relieve the diplopia.CONCLUSION:Pansinusitis may involve extraocular muscles.Squint surgery may be required to relieve residual diplopia following surgical drainage.