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Adding local short description: "Medical diagnostic tool", overriding Wikidata description "diagnostic tool used in ophthalmology, otolaryngology and audiovestibular medicine"
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{{Short description|Medical diagnostic tool}}
{{Short description|Medical diagnostic tool}}
[[File:Frenzel goggles.jpg|thumb|Frenzel goggles]]
[[File:Frenzel goggles.jpg|thumb|Frenzel goggles]]
'''Frenzel goggles''' are a [[diagnostic tool]] used in [[ophthalmology]], [[Otorhinolaryngology|otolaryngology]] and audiovestibular medicine for the medical evaluation of involuntary eye movement ([[nystagmus]]). They are named after Frenzel, a German physician.{{When|date=June 2022}}<ref>http://www.tchain.com/otoneurology/practice/frenzels.htm Frenzel goggles and related devices</ref>
'''Frenzel goggles''' are a [[diagnostic tool]] used in [[ophthalmology]], [[Otorhinolaryngology|otolaryngology]] and audiovestibular medicine for the medical evaluation of involuntary eye movement ([[nystagmus]]). They are named after Frenzel, a German physician.{{When|date=June 2022}}<ref>[http://www.tchain.com/otoneurology/practice/frenzels.htm Frenzel goggles and related devices]</ref>


==Usage==
==Usage==

Latest revision as of 18:47, 30 June 2024

Frenzel goggles

Frenzel goggles are a diagnostic tool used in ophthalmology, otolaryngology and audiovestibular medicine for the medical evaluation of involuntary eye movement (nystagmus). They are named after Frenzel, a German physician.[when?][1]

Usage

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The purpose of the goggles is to disable the patient's ability to visually fixate on an object while at the same time allowing the examiner to adequately visualize the eye. This is done by using high-powered (+20 diopters) magnifying glasses with an illumination system. With such a high-powered lens, it is unlikely that the patient can adequately focus and visually fixate on an object to suppress nystagmus.[2]

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  1. ^ Frenzel goggles and related devices
  2. ^ "Frenzel Goggles". www.dizziness-and-balance.com.