Ocular ultrasound (LR+ 12, LR– 0.27)
Generally remains anchored to the optic disc in most posterior section of the eye
Appears as a hyperechoic membrane floating in the vitreous chamber
There are many studies out there confirming high sensitivity/specificity, recent study showing 94% sensitive/96% specific when performed by radiology and 92% sensitive/91% specific when performed by emergency providers
Generally remains anchored to the optic disc in most posterior section of the eye
Appears as a hyperechoic membrane floating in the vitreous chamber
Retinal detachment
Painful
Optic neuritis
Arteritic anterior ischemic optic neuropathy
Retinal hemorrhage
Traumatic optic neuropathy
Temporal arteritis†
Posterior vitreous detachment