Fig. 13
From: Ocular ultrasonography focused on the posterior eye segment: what radiologists should know
Acute and chronic vitreous haemorrhage in two different patients. a 72-year-old man with history of diabetes mellitus who presented with sudden blurred vision due to acute vitreous haemorrhage. At US, subtle echogenic material that obscured the ophthalmoscopic examination is seen floating within the vitreous. b Axial US image in a 58-year-old man with a history of vitreous haemorrhage 4 months earlier shows echogenic bands in the vitreous representing fibrous membranes, characteristic of chronic vitreous haemorrhage. The patient went on to undergo vitrectomy