Though she spent much of the time with her nose in one-inch Ordnance Survey maps, tracking the contour lines, she found them a “coarse instrument” for her purpose.
Methods83 patients with VBI and 57 healthy controls were tested with electronystagmogram instrument, include saccade test, Eye Tracking Test (ETT) and optokinetic test(OKN).
方法采用眼震电图仪对83例VBI患者进行眼动系统相关检查，并和57例正常人进行对照研究。
3
The realization ways of automatic tracking function in the common regulation instrument and DCS are introduced.