Insights
11 Mar, 2026
From Frenzel Goggles to Infrared Video Systems: The Evolution of Nystagmus Examination Technology
The examination of nystagmus has progressed from simple visual observation to sophisticated digital recording systems.Early devices such as Frenzel goggles allowed clinicians to observe eye movements more effectively by reducing visual fixation. Later technologies, including electronystagmography, introduced objective recording of eye movement signals.
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