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Updated: Jun 14, 2025

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Customized Visual Discrimination Digital Therapy According to Visual Field Defects in Chronic Stroke Patients.

Eun Namgung1, Hana Kim2, Yong-Hwan Kim2

  • 1Asan Institute for Life Sciences, Asan Medical Center, Seoul, Korea.

Journal of Clinical Neurology (Seoul, Korea)
|September 3, 2024
PubMed
Summary
This summary is machine-generated.

Eight weeks of customized visual discrimination training significantly improved visual field defects (VFDs) and vision-specific social functioning in stroke survivors. This visual perceptual learning (VPL) approach offers a promising intervention for post-stroke visual impairments.

Keywords:
cortical blindnessstrokevision disordersvisual perception

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Area of Science:

  • Neuroscience
  • Ophthalmology
  • Rehabilitation Medicine

Background:

  • Visual perceptual learning (VPL) shows potential for improving visual field defects (VFDs) post-stroke.
  • Optimal training duration and location for VPL in VFDs remain undetermined.

Purpose of the Study:

  • To evaluate the efficacy of an 8-week VFD-customized visual discrimination training program.
  • To assess improvements in post-stroke VFDs.

Main Methods:

  • Prospective study with a no-training phase followed by an 8-week VPL program.
  • Training included orientation-discrimination and central letter-discrimination tasks.
  • Evaluated visual field sensitivity using Humphrey visual field tests and quality of life with NEI-VFQ-25.

Main Results:

  • Mean total deviation scores significantly improved during the training phase compared to the no-training phase.
  • VPL training led to significant improvements in both defective and whole visual fields.
  • Vision-specific social functioning scores improved after 16 weeks of follow-up.

Conclusions:

  • An 8-week VFD-customized visual discrimination training protocol effectively improves VFDs in chronic stroke patients.
  • The training also enhances vision-specific social functioning in this population.