H52.1
Conditions
Interventions
Group 1: Stimulation of the optic nerve head with blue light (1 minute)
Measurement of the PERG after 20 minutes
Sponsors
Klinik für Augenheilkunde, Universitätsklinik Freiburg
Eligibility
Sex/Gender
All
Age
12 Years to 30 Years
Inclusion criteria
Inclusion criteria: • Written informed consent obtained from the individual • Age: between 12 and 30 years • Healthy individuals without any history of ocular or systemic disease • Visual acuity equal or better than 0.0 logMAR
Exclusion criteria
Exclusion criteria: • Any known ophthalmological (among others high myopia (= -6 dpt), neurological, or psychiatric disease • Treatment with dopamine agonists or antagonists • Any therapy for myopia control
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Amplitudes in the PERG (pattern ERG) after 1-minute illumination of the optic nerve head with blue light | — |
Secondary
| Measure | Time frame |
|---|---|
| - ffERG amplitudes after 1-minute illumination of the optic disc with blue light - Comparison of PERG responses after illumination of the optic disc with blue or red light - Comparison of PERG responses after optic disc illumination, peripheral or parafoveal retinal illumination, or full-field illumination - Correlation of PERG responses with axial length and refraction - Correlation of PERG responses with choroidal thickness | — |
Countries
Germany
Contacts
Public ContactNavid Farassat
Klinik für Augenheilkunde, Universitätsklinikum Freiburg
Outcome results
None listed