Table 1 Overview of the applied inclusion and exclusion criteria

Population

diagnosed stroke patient

participants were blind or had acute eye or vision injuries (i.e., cataracts)

Intervention

training explicitly focused on visual skills

inaccurate or insufficient reporting of data (i.e., no measure of central tendency and dispersion in the results section)

Comparator

active or passive control group (i.e., other interventions not focused on visual skills, no training at all)

effects were examined without a control condition

Outcome

at least one measure of cognitive function or activities of daily living

procedures did not include measurement of parameters for cognitive function or activities of daily living

Study design

controlled trials with pre- and post-measures

cross-sectional study design or reviews