The Neuro Ocular Plane (NOP)
Fig. 5: In vivo and in morte, NOP of visual pathways 3D referencing of the head) (X-ray scan and MRI) shown here by a red line on the face of the bald headed man with a moustache. The so-called "Francfort" planes (+ 7°, below, in black) OM (and AC-PC) used in traditional radiology and stereotactic neurosurgery (in red + 20° below). In MRI recognition of grey matter (cortex, nuclei) and white matter, left, right, confirms the anatomic correlation of the visual pathways, "from the cornea to the calcarine fissure".
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