https://bit.ly/31sSzv3
https://bit.ly/3Es1fzT
https://bit.ly/31sNYsN
https://bit.ly/3osYOHK
This record depicts a left beating nystagmus in primary gaze
and in levo-elevation, of low frequency and small amplitude;
which increases in frequency to moderate in up, and rapid in
the left gaze; while in dextro-elevation it reverses to a right
beating nystagmus. While in right gaze and dextro-
depression there exists a null zone, whereas in down gaze it is
vertical and pendular, with a larger vertical amplitude in
levo-depression with a rotatory
https://bit.ly/3008NuY
https://bit.ly/31yFWy4
https://bit.ly/31wvM1t