cortical blindness Hemianopia
Conditions
Interventions
Intact visual field
Post-chiasmatic lesions
Psychophysical properties
Visual field defects
Sponsors
Radboud Universitair Medisch Centrum
Eligibility
Age
18 Years to 64 Years
Inclusion criteria
Inclusion criteria: Patients: - At least 18 years old. - Patients with visual field defects as consequence of post-chiasmatic lesions. - Normal or corrected-to-normal vision. ;Controls: - At least 18 years old. - Normal or corrected-to-normal vision.
Exclusion criteria
Exclusion criteria: Patients: * Presence of visual neglect (tested with character line bisection). * Self-reported presence of other neurological, psychiatric or ocular impairments that might influence attention or the visual system. Controls: * Self-reported presence of neurological, psychiatric or ocular impairments that might influence attention or the visual system.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| - Patient experiences: results on visual quality of life questionnaires - Ophthalmological: result of non-invasive ophthalmological exam - Psychophysical: performance on computer tasks (UFOV, Gabor detection, Visual motion detection taak en scene recognition taak.) | — |
Secondary
| Measure | Time frame |
|---|---|
| Eye movement measured non-invasively with a video-based eye-tracker. | — |
Countries
The Netherlands
Outcome results
None listed