3D gaze stability as a meausure for visual-vestibular functio
- Conditions
- Cerebellopontine angle tumorvestibular schwannoma1002239610047518
Recruitment & Eligibility
- Status
- Pending
- Sex
- Not specified
- Target Recruitment
- 100
Inclusion Criteria
- Normal hearing in the unaffected ear
- Fuctional vision in both eyes
- Informed concent (toestemmingsformulier).
- Solitary vestibular schwannoma
- Stationairy retinal dysfunction syndrom
Exclusion Criteria
- neurological or psychiatric disease
- dizziness due to side effect medication
- Alcohol or drug abuse up to 6 months previously
- HIV
- Hepatitis B
- History of *closed head injury*,
- Pregnancy
Study & Design
- Study Type
- Observational non invasive
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <p>Primary:<br /><br>• Retinal slip velocity in °/s, the movement of the eye relative to the image.</p><br>
- Secondary Outcome Measures
Name Time Method <p>Secondary:<br /><br>• Saccade and smooth pursuit amplitude and latency as a reference for the<br /><br>accuracy of oculomotor response when viewing a moving image with a stationary<br /><br>head.<br /><br>• Hearing threshold in dB as a reference for the integrity of the<br /><br>audiovestibular end organ.<br /><br>• Speech discrimination in % as a reference for the integrity of the<br /><br>audiovestibular end organ.<br /><br>• Visual acuity in % as a reference for the integrity of the input from the<br /><br>visual system.<br /><br>• DHI score, ERGO score, and VAS score for documentation of the experience of<br /><br>balance complaints.</p><br>