PMC4637462_01
Bedside ocular ultrasound of the right eye demonstrating bulging of the optic nerve cup, indicative of papilledema.
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It showed a hyperechoic prominence protruding into the posterior chamber at the location of the optic nerve (Figure 1).
Bedside ocular ultrasound of the patient's left eye demonstrating optic nerve sheath diameter (ONSD) measurement. The measurement of the ONSD is taken 3 mm posterior to the globe and occurs perpendicular to the long axis of the optic nerve.
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The optic nerve sheath diameter measured 3 mm posterior to the globe was 5.0 mm in the right eye and 5.2 mm in the left eye (Figures 2 and 3).
Bedside ocular ultrasound of left (a) and right (b) eyes, showing measurement of optic nerve sheath diameter. Measurements are 5 mm and 5.2 mm, respectively.
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The optic nerve sheath diameter measured 3 mm posterior to the globe was 5.0 mm in the right eye and 5.2 mm in the left eye (Figures 2 and 3).