Identification of the significant areas of visual difficulties and their effects on quality of life is important as it can help better address the patients' rehabilitation needs. The current study identifies the need for orientation and mobility training as well as independent living rehabilitation in patients with HH to help address the difficulties in their vision-specific quality of life and maximize their residual vision.

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The incidence of visual deficits following stroke ranges from 20%-68% and has significant impact on activities of daily living. The NVT system is a compensatory visual scanning training program that consists of combined static and mobility training and transfer to activities of daily living. The study aims to evaluate functional changes following the NVT program for people who have homonymous hemianopia (HH) following stroke. Method: Interventional case series of 13 consecutive participants with HH undergoing NVT vision rehabilitation. The primary outcome measure was the number of targets missed on a standardized Mobility Assessment Course (MAC). Other outcome measures included assessment of visual scanning, vision specific Quality of Life questionnaires and reading performance. Results: The average number of targets (sd) missed on the MAC course was 39.6 ± 20.9% before intervention, 27.5 ± 16.3% immediately post intervention and 20.8 ± 15.5% at 3 months post rehabilitation. The study showed a statistically significant trend in improvement in mobility related subscales of National Eye Institute Visual Function Questionnaire-NEI VFQ-25 (p = 0.003) and the Veteran Affairs Low Vision Visual Function Questionnaire-VA LVFQ-48 (p = 0.036) at 3 months post rehabilitation. Discussion: The NVT intervention resulted in functional improvements in mobility post rehabilitation. The NVT training showed improvement in vision specific quality of life. There is a need for standardised vision therapy intervention, in conjunction with existing rehabilitation services, for patients with stroke and traumatic brain injury.

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