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Editor,—Subperiosteal orbital haematoma as a complication during endoscopic sinus surgery is not well known to ophthalmologists.
It has the potential to increase intraocular pressure and subsequently cause blindness by optic nerve compression with central retinal artery occlusion.1
We report a case of a 13 year old boy who developed bilateral subperiosteal haematoma after bilateral endoscopic sinus surgery.
A 13 year old boy was referred for evaluation of decreasing visual acuity 3 days after bilateral endoscopic sinus surgery for pansinusitis.
He complained of blurred vision in both eyes, diplopia, and anhidrosis of the left side of his face. There was moderate swelling of the left upper eyelid. His best corrected visual acuity was 20/30 in the right and 20/40 in the left eye. Both pupillary responses showed sluggish reactions. Upward movement of left eye was limited, with inability to supraduct more than 30 degree past the midline because of pain. In the …
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