Clinician-guided vision therapy for post-stroke, post-concussion and brain-injury recovery, with browser-based assessment and supervised home practice.
Neuro-optometric rehabilitation is the branch of eye care that treats vision problems caused by the brain, not the eyes themselves - the visual deficits that appear after a concussion, stroke, or other traumatic brain injury. Blurred or double vision, eyes that lose their place while reading, light sensitivity, and trouble judging distances are among the most common persistent complaints after brain injury, and they frequently persist even when the rest of the recovery is going well.
The underlying reason is that vision is a brain process. The eye may be perfectly healthy while the circuits that control eye alignment, focusing, and visual attention are disrupted. A 2022 review of accommodative and pupillary dysfunction after concussion/mild traumatic brain injury (Thiagarajan and Ciuffreda, NeuroRehabilitation) found that most static and dynamic response parameters of both systems were abnormal - reduced, slowed, delayed, or more variable - which explains why these patients’ visual symptoms are real even when a standard eye exam looks normal.
The evidence base is growing but uneven - and honest about it. The strongest current support is for structured vergence therapy: a 2025 randomized controlled trial from the UPMC Sports Medicine Concussion Program (Journal of Neurotrauma) enrolled 50 participants aged 11-30 within 10 days of concussion and found Brock string vision therapy improved near point of convergence by 8.9 cm versus 3.8 cm with usual care - a simple, inexpensive, early intervention with a meaningful effect.
A 2024 systematic review of neuro-optometric rehabilitation in adults (Jose et al., Oman Journal of Ophthalmology) - which candidly notes a dearth of evidence in this population - nevertheless found that office-based, home-based, or combined programs of 8 to 12 weeks at 2-5 sessions per week were effective for managing oculomotor problems after traumatic brain injury and stroke. That program shape is what a supervised home-based software protocol is built to replicate.
On the other side of the ledger, a 2021 review in Survey of Ophthalmology (Barton and Ranalli) examined prisms, filters, occlusion, and vestibular approaches for mild traumatic brain injury and concluded that several widely marketed techniques lack controlled evidence and should be regarded as unproven. This matters for patients choosing a provider: legitimate neuro-optometric rehabilitation leans on approaches with trial evidence, measures outcomes objectively, and says so plainly.
Clinician-guided software-based vision therapy fits this picture as a delivery layer: the optometrist prescribes the specific binocular and accommodative exercises, the patient practices at home on a browser, and progress reports go back to the prescribing clinician between office visits. It extends - it does not replace - the examination, diagnosis, and in-office care.
Vision symptoms after concussion should be evaluated as part of standard care - they are common and treatable. The UPMC randomized trial intervened within 10 days of injury and showed benefit from early vergence therapy, so waiting out visual symptoms for weeks is not necessary.
The honest answer: the evidence for vergence and accommodative therapy is reasonably strong, and a 2024 systematic review found 8-12 week programs effective for adult oculomotor problems, while explicitly calling for larger trials. Some popular techniques in this field have little controlled evidence - which is why the specific exercises prescribed matter more than the label.
Possibly. Research on accommodative dysfunction after chronic brain injury found that most abnormal parameters improved with vision therapy, suggesting considerable visual system plasticity even in older adults long after injury. An evaluation is the only way to know whether it applies to a specific case.
The prescribing optometrist selects the exercises and monitors progress; the patient completes them at home in a browser; the clinician reviews objective reports between visits. Randomized-trial evidence supports exactly this class of home vergence exercise after concussion.
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Read/blog/vision-therapy-neuroplasticity/
ReadKey evidence: Thiagarajan & Ciuffreda 2022 (NeuroRehabilitation) on accommodative/pupillary dysfunction and its improvement with therapy; Trbovich et al. 2025 randomized controlled trial of Brock string therapy after concussion (J Neurotrauma); Jose et al. 2024 systematic review of adult neuro-optometric rehabilitation (Oman J Ophthalmol); Barton & Ranalli 2021 critical review (Surv Ophthalmol) of unproven techniques - included deliberately as the skeptical counterweight.