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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: Prog Retin Eye Res. 2016 Jan;50:108–144. doi: 10.1016/j.preteyeres.2015.10.001

Fig. 31.

Fig. 31

Both eyeballs, optic nerves and optic chiasm show distribution of blue dye in the sheath of the optic nerve. (A) From the superior aspect. (B) From the inferior aspect. (Reproduced from Hayreh SS. 1965a)