Ranges of ONSD in normal kids using modern technique

What if we scanned a TONNE of healthy kids of all ages presenting to the ED with complaints unrelated to eyes/optic nerve/brain? We could better describe the range of normal based on age, which I don’t think has been done on any large scale yet. We could also potentially double it up with a study on interrater reliability for new users (PEM fellows or peds residents) vs expert users. This would be separate from the VPS study.

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