Vision restoration therapy (VRT) is a noninvasive form of

vision therapy Vision therapy (VT), or behavioral optometry, is an umbrella term for alternative medicine treatments using eye exercises, based around the pseudoscientific claim that vision problems are the true underlying cause of learning disabilities, parti ...

which claims to increase the size of the visual fields in those with

hemianopia Hemianopsia, or hemianopia, is a loss of vision or blindness (anopsia) in half the visual field, usually on one side of the vertical midline. The most common causes of this damage are stroke, brain tumor, and trauma. This article deals only wi ...

. It, however, is of unclear benefit as of 2017 and is not part of standardized treatment approaches.

Description of therapy

Vision restoration therapy (VRT) is a computer-based treatment which claims to help with

visual field The visual field is the "spatial array of visual sensations available to observation in introspectionist psychological experiments". Or simply, visual field can be defined as the entire area that can be seen when an eye is fixed straight at a point ...

defects regain visual functions through repetitive light stimulation. As the device used in VRT is similar to the DynaVision 2000 that already exist the

Food and Drug Administration The United States Food and Drug Administration (FDA or US FDA) is a List of United States federal agencies, federal agency of the United States Department of Health and Human Services, Department of Health and Human Services. The FDA is respon ...

(FDA) allowed an indication for use "...the diagnosis and improvement of visual functions in patients with impaired vision that may result from trauma, stroke, inflammation, surgical removal of brain tumors or brain surgery, and may also be used to improve visual function in patients with amblyopia".

References

{{DEFAULTSORT:Vision Restoration Therapy Neuroplasticity Vision Therapy Optometry Eye procedures