Does prism adaptation treatment reduce spatial neglect and improve function?

This is a narrative review, not a randomized trial, so it does not directly test whether prism adaptation works. The studies reviewed used different prism strengths, arm visibility, activities, session numbers, and outcome measures, so their results cannot be combined into a clear treatment recommendation. The retrospective clinical analyses are based on medical records and matched groups, so they show associations rather than proof of effect. The clinical analyses compared patients who did and did not receive prism adaptation, but patients also received regular rehabilitation. The review authors selected and categorized studies themselves, and excluded two studies from the 22 studies included in the meta-analyses, so their stage classification is their interpretation.

The authors declare that no financial support was received for the research, authorship, or publication.

Do not conclude that prism adaptation alone improves spatial neglect after stroke. Reviews of randomized trials found no evidence of benefit on standard impairment or functional tests, and retrospective clinical records cannot separate prism adaptation from regular rehabilitation.