Visual deficit interventions in adult stroke and brain injury: a systematic review.

Visual deficits after cerebral injury are common. The variability in the types of injury sustained as well as their impact on function in the environment have produced multiple approaches at corrective intervention. To assess the effectiveness of these vision interventions, an extensive literature search was completed. The analysis of this review revealed some success with visual neglect disorders, but not enough evidence to comment definitively on interventions for hemianopsia, quadrantonopsia, diplopia, or convergence insufficiency. A lack of follow-up also limited efforts to assess the durability of documented gains. Additional research is necessary to clarify, quantify, and measure treatment outcomes for acquired visual dysfunction as well as to link laboratory testing to improvement in actual functioning for individuals in their environment.