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BACKGROUND AND PURPOSE
To date, normal values for optic nerve diameter (OND) and optic nerve sheath diameter (ONSD) for transorbital sonography (TOS) have only been reported by individual small‐scale studies, exposing a great variability in the measurement of the OND and ONSD.
METHODS
We performed a systematic review and metanalysis of available to date studies on TOS evaluation of adults without...
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