5 Minute Sono·February 14, 2020·1 min readOptic Nerve Sheath DiameterIn this Five Minute Sono, we explain how to measure the optic nerve sheath diameter (ONSD) using ultrasound, a technique for assessing increased intracranial pressure (ICP).Other 5MS Ocular VideosVitreous vs Retinal Detachment 5MSAll 5MS Videos Click HERE to check out our Pro courses, where you can follow your progress and accuracy while earning CME.