The principal techniques for detecting and measuring nystagmus comprise examination with:a. Frenzel glasses onlyb. electrophysiological techniques only/c. detailed anmesisd. Answers both a) and b) are correcte. None is correct
Question
The principal techniques for detecting and measuring nystagmus comprise examination with:a. Frenzel glasses onlyb. electrophysiological techniques only/c. detailed anmesisd. Answers both a) and b) are correcte. None is correct
Solution
The correct answer is d. Answers both a) and b) are correct.
Frenzel glasses are used to magnify the patient's eyes and remove the patient's ability to fixate their gaze, making it easier to detect nystagmus. Electrophysiological techniques, such as electronystagmography (ENG) or videonystagmography (VNG), are also used to measure eye movements and detect nystagmus. Therefore, both techniques are principal methods for detecting and measuring nystagmus.
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