Population | Children with Normal Vision up to 18 years |
Children and Adults with Visual Impairment | |
Children with Cerebral Visual Impairment up to 18 years | |
Adults with amblyopia (addressed for 2 intervention studies) | |
Intervention | Progress on crowding tasks after Perceptual Learning intervention (n=7) |
Type of study | Randomized controlled trials (n=0) |
Non-randomized intervention studies (n=4) | |
Cohort studies (n=3) | |
Case - control studies (n=4) | |
Cross - sectional studies (n=11) | |
Outcome measurements | Contour interaction area (n=7) |
Crowding ratio (n=8) | |
Effects of Perceptual Learning on crowding (n=7) |