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Neurologists commonly see patients with vertigo or dizziness. Frenzel goggles, which remove visual fixation as well as magnifying and illuminating the patient’s eyes, can increase the diagnostic accuracy in various vestibular disorders.1 Takeaway Frenzel glasses or M glasses offer an alternative to the Frenzel goggles, being …
Contributors PD concept and construction of tool, drafting and revising the manuscript. SK study concept, drafting and revising the manuscript.
Competing interests None declared.
Patient consent for publication Obtained.
Data sharing statement Patient consent provided.
Provenance and peer review Not commissioned. Externally peer reviewed by Michael Halmagyi, Sydney, Australia.