Seesaw Nystagmus Shown in 2 Half Cycles
This is a 5-year-old girl with congenital seesaw nystagmus due to achiasma. Achiasma is the absence of the optic chiasm when nasal optic nerve fibers fail to decussate to the contralateral hemisphere. As can be seen in this video, seesaw nystagmus is characterized by alternating vertical and torsional nystagmus in which 1 eye rises and intorts while the other falls and extorts. This is followed by reversal of the vertical and torsional components in the opposite eye. Click https://ja.ma/3n6Yh0y for full case details.
Видео Seesaw Nystagmus Shown in 2 Half Cycles канала JAMA Network
Видео Seesaw Nystagmus Shown in 2 Half Cycles канала JAMA Network
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