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High accuracy in testing for spontaneous or provocation nystagmus is indispensable in present-day vestibular diagnostics. An examination for nystagmus using Frenzel spectacles is performed in a darkroom or a thoroughly darkened room. Frenzel spectacles have an internal illumination unit that cuts off the test person’s visual contact with the surroundings, eliminating any nystagmus-inhibiting fixation. Then the examiner can closely observe how the patient’s brightly illuminated eyes move under the spectacles’ magnifying lenses during forward gaze and diagnose any nystagmus.
In acc. with the Medical Device Directive 93/42/EEC
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OCULUS is certified in acc. with DIN EN ISO 13485 MDSAP |
| 42902 | Nystagmus spectacles acc. to Frenzel, battery version, type 703 |
| 42903 | Nystagmus spectacles acc. to Frenzel, 4 V alternating voltage, type 501 |
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|
OCULUS is certified in acc. with DIN EN ISO 13485 MDSAP |
