Wilbrand's knee

Wilbrand’s knee: Inferonasal fibres of the optic nerve which go into the contralateral optic nerve 4 mm before crossing over to the opposite optic tract. A lesion here produces a junctional scotoma in the superior temporal field of the optic nerve opposite the site of injury.[1][2][3]

References

Shin RK, Qureshi RA, Harris NR, Bakar D, Li TP, Jafri MS, Tang CM (2014). "Wilbrand knee". Neurology. 82 (5): 459–60. doi:10.1212/WNL.0000000000000084. PMID 24491972.
Horton JC (1997). "Wilbrand's knee of the primate optic chiasm is an artefact of monocular enucleation". Transactions of the American Ophthalmological Society. 95: 579–609. PMC 1298376. PMID 9440188.
Lee JH, Tobias S, Kwon JT, Sade B, Kosmorsky G (2006). "Wilbrand's knee: does it exist?". Surgical Neurology. 66 (1): 11–7, discussion 17. doi:10.1016/j.surneu.2005.11.004. PMID 16793428.

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[1] Shin RK, Qureshi RA, Harris NR, Bakar D, Li TP, Jafri MS, Tang CM (2014). "Wilbrand knee". Neurology. 82 (5): 459–60. doi:10.1212/WNL.0000000000000084. PMID 24491972.

[2] Horton JC (1997). "Wilbrand's knee of the primate optic chiasm is an artefact of monocular enucleation". Transactions of the American Ophthalmological Society. 95: 579–609. PMC 1298376. PMID 9440188.

[3] Lee JH, Tobias S, Kwon JT, Sade B, Kosmorsky G (2006). "Wilbrand's knee: does it exist?". Surgical Neurology. 66 (1): 11–7, discussion 17. doi:10.1016/j.surneu.2005.11.004. PMID 16793428.