Feasibility study using Stellar i-ris to predict fatigue and substance abuse in healthy subjects
- Conditions
- healthy subjects
- Registration Number
- DRKS00025440
- Lead Sponsor
- Stellar DBS GmbH
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 50
Healthy participants of ages between 18 und 68 years.
Epilepsy, neurological diseases (e.g. appoplexy, cerebral hemorrhage, neurodegenerative diseases).
Severe eye disease (e.g. glaucoma, retinal detachment, pupillary motor disorder).
Mental illness.
Metabolic diseases.
Medication that affects the pupillary motor function and the sympathetic or parasympathetic nervous system.
Medication that affects the ability to concentrate (e.g. painkillers from level II according to WHO).
Drug/alcohol abuse.
Visible head injuries or diseases in the area of the head.
Artificial eye lenses or absence of an eye lens.
To ensure optimal concentration, participants should also refrain from drinking excessive amounts of coffee or tea for 24 hours prior to testing, as well as do not engage in extreme sports.
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method The aim is to show that the pupillary light reflex parameters exhibit a condition-specific pattern in the 3 stages of the repeated-measures design (control condition, alcohol ingestion, sleep deprivation).<br>The 4th test of the diurnal profiles is designed to determine the background noise that occurs within a subject over the course of a day.
- Secondary Outcome Measures
Name Time Method Acceptance of measurement.