where do the optic nerves cross
The optic chiasm or optic chiasma (Greek ÏÎ¯Î±ÏÎ¼Î±, crossing, from the Greek ÏÎ¹Î¬Î¶Ï 'to mark with an X', after the Greek letter ' Ï ', chi) is the part of the brain where the optic nerves (CN II) partially cross.