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A neuro-rehabilitation therapy aimed at restoring vision lost due to damage to the visual pathway or cortex (e.g., from stroke, traumatic brain injury, or tumor resection), often resulting in hemianopsia (blindness in half the visual field).
read more about vision restoration therapy ...Involves repeated, targeted stimulation of the border regions between the intact visual field and the blind visual field, aiming to activate residual visual function and induce neuroplasticity.
The goal is to increase sensitivity within the remaining impaired visual field, potentially expanding the functional visual area through intensive training over several months.
VRT differs from compensatory therapies (like visual scanning training), which teach the patient to move their eyes into the blind area to compensate for the loss.
No. It aims for functional improvement in the affected area, increasing the ability to detect motion or light, but rarely restores full $20/20$ acuity.
Patients with chronic visual field loss (typically more than six months) who show some residual vision function at the border of the blind spot.
The repetitive training stimulates dormant or partially damaged neurons in the visual cortex, encouraging them to reorganize and respond to visual input again.