infantile nystagmus syndrome
Conditions
Interventions
Intervention study: Computerized visual perceptual learning.
Sponsors
Radboud Universitair Medisch Centrum
Eligibility
Age
2 Years to 99 Years
Inclusion criteria
Inclusion criteria: Children with infantile nystagmus: - Age 7-18 years - Diagnosis albinism (with infantile nystagmus) or idiopathic infantile nystagmus - Binocular visual acuity >=20/400 and =3000 gr);Children with normal vision: - Age 8-18 years (n = 30) - Binocular visual acuity >=20/20 - Born at term (>30 weeks) with normal birth weight (>3000 gr)
Exclusion criteria
Exclusion criteria: Children with infantile nystagmus: - Received computerized visual perceptual learning before - Neurological conditions such as cerebral visual impairment, oculomotor apraxia, hemianopia, developmental disorders. - Visual acuity = 20/20. ;Children with normal vision: - Motor or mental impairments; - The presence of a developmental disorder; - Binocular visual acuity
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Intervention study + validation study: - Near and distance visual acuity - Crowding intensity | — |
Secondary
| Measure | Time frame |
|---|---|
| Intervention study: - Contrast sensitivity function - Stereopsis - Reading performance - Eye movements (fixation stability and saccade execution) - Compliance - Training joy - Vision related quality of life | — |
Countries
Netherlands
Outcome results
None listed