The Short Answer Educational content only. Any suspected concussion warrants medical evaluation. Consult concussion specialists and treating providers before starting any new therapy. Vision therapy helps concussion recovery patients with convergence insufficiency, accommodative dysfunction, and oculomotor deficits (Silverberg et al., 2020). Vision dysfunction affects 60-90% of concussion patients. Neuro-optometric rehabilitation includes vergence exercises, accommodative training, oculomotor exercises, and visual processing training. Symptom improvement common within 8-16 weeks. Referral to neuro-optometrist or developmental optometrist recommended for PCS with visual symptoms including blurred vision, double vision, eye strain, reading difficulty, or light sensitivity. Vision therapy safe when guided by trained neuro-optometrist. Vision therapy reduces visual symptoms in PCS. Evidence supports neuro-optometric rehab. Vision dysfunction common in PCS. 60-90% of concussion patients affected. Neuro-optometrist referral recommended. Specialized training required. What Vision Therapy Addresses in PCS Convergence insufficiency. Convergence insufficiency common in PCS. Accommodative dysfunction. Accommodative dysfunction common in PCS. Oculomotor deficits. Oculomotor deficits common in PCS. Saccadic dysfunction. Saccadic dysfunction common in PCS. Smooth pursuit dysfunction. Smooth pursuit dysfunction common. Visual processing difficulty. Visual processing difficulty common. Visual motion sensitivity. Visual motion sensitivity common. Light sensitivity (photophobia). Light sensitivity common in PCS. Reading difficulty. Reading difficulty common. Screen intolerance. Screen intolerance common. Vision Therapy Techniques Vergence training (Brock string, vectograms). Vergence training improves convergence. Accommodative training (flippers). Accommodative training improves focus. Oculomotor exercises (saccades, pursuits). Oculomotor exercises improve eye movement. Visual processing exercises. Visual processing exercises improve integration. Fixation training. Fixation training improves steady fixation. Antisaccade training. Antisaccade training improves executive control. Prism lens use. Prism lenses reduce visual demand. Yoked prism therapy. Yoked prisms shift visual field. Syntonic phototherapy. Syntonic phototherapy at some clinics. Balance-visual integration. Balance-visual integration exercises. Common Vision Problems After Concussion Convergence insufficiency (60-90% of PCS). Convergence insufficiency very common. Accommodative dysfunction (40-60% of PCS). Accommodative dysfunction common. Saccadic dysfunction (50-70% of PCS). Saccadic dysfunction common. Smooth pursuit dysfunction (40-60%). Smooth pursuit dysfunction common. Vestibular-ocular reflex dysfunction. VOR dysfunction common. Visual motion sensitivity (50-70%). Visual motion sensitivity common. Photophobia (light sensitivity). Photophobia common. Blurred vision. Blurred vision common. Double vision (diplopia). Diplopia possible. Eye strain. Eye strain common. Headache with visual tasks. Headache with visual tasks common. Evidence Supporting Vision Therapy for Concussion Convergence Insufficiency Treatment Trial (CITT). CITT supports vergence training. Master trials support vision therapy. Multiple trials support. Symptom improvement within 8-16 weeks. Improvement within 8-16 weeks. Reduced visual symptoms. Reduced visual symptoms. Improved reading fluency. Improved reading fluency. Reduced eye strain. Reduced eye strain. Improved return to school. Improved return to school. Improved return to work. Improved return to work. Neuro-Optometric Evaluation Comprehensive vision exam. Comprehensive vision exam. Convergence testing (NPC, near point of convergence). NPC testing. Accommodative testing. Accommodative testing. Saccadic testing (DEM, King-Devick). Saccadic testing. Smooth pursuit testing. Smooth pursuit testing. VOMS (Vestibular/Ocular Motor Screening). VOMS integrated assessment. Reading assessment. Reading assessment. Visual field testing. Visual field testing. Prism cover test. Prism cover test. Vision Therapy Program Structure Initial evaluation 90-120 minutes. Initial evaluation 90-120 minutes. In-office sessions weekly. In-office sessions weekly common. Home exercise program essential. Home exercise program essential. Program duration 8-16 weeks common. Duration 8-16 weeks. Progression based on visual function. Progression based on function. Reassessment every 4-8 weeks. Reassessment every 4-8 weeks. Photophobia Management FL-41 tinted lenses. FL-41 lenses reduce photophobia. Blue light filtering. Blue light filtering. Screen brightness reduction. Screen brightness reduction. Dark mode use. Dark mode use. Reduced fluorescent lighting exposure. Reduced fluorescent lighting. Gradual light exposure therapy. Gradual light exposure therapy. Sunglasses appropriate use. Sunglasses appropriate use. Finding a Neuro-Optometrist NORA (Neuro-Optometric Rehabilitation Association) directory. NORA directory. COVD (College of Optometrists in Vision Development) directory. COVD directory. Ask about concussion experience. Ask about concussion experience. Ask about vision therapy certification. Ask about vision therapy certification. Concussion clinic referral. Concussion clinic referral. Vestibular therapist referral common. Vestibular therapist referral common. Supporting Mobility Routine These exercises support vision therapy through cervical mobility and nervous system regulation. JME 155 Diaphragmatic breathing supports vagal tone and parasympathetic regulation during concussion recovery. 10 breaths every 60-90 minutes. JME 14 Chin tucks reduce upper cervical tension common in concussion injury. 10 repetitions with 5-second holds. JME 1 Cervical rotation supports cerebral blood flow and nervous system regulation. 10 repetitions each direction. JME 150 Thoracic rotation restores breathing depth shallow during concussion recovery. 8 repetitions per direction. Start your 3-day free trial for joint-specific mobility programs that support nervous system regulation through concussion recovery. Common Mistakes About Vision Therapy Assuming normal vision exam rules out visual dysfunction. Standard exam does not assess vision therapy needs. Not completing home exercise program. Home program essential. Stopping therapy after initial improvement. Complete program. Seeing general optometrist without vision therapy training. Vision therapy training essential. Not addressing photophobia. Photophobia management essential. How long does vision therapy take for concussion? Vision therapy for concussion commonly takes 8-16 weeks. Convergence insufficiency treatment often 12 weeks. Complex vision dysfunction sometimes 16-24 weeks. Home exercise program essential for progress. Improvement often noticed within 4-6 weeks. Duration varies based on visual dysfunction type and severity. Will insurance cover vision therapy for concussion? Insurance coverage varies. Vision insurance often does not cover vision therapy. Medical insurance sometimes covers with concussion diagnosis and neuro-optometrist referral. Prior authorization often required. Some plans cover convergence insufficiency treatment. Verify coverage before starting. Payment plans and packages sometimes available. What is the difference between an optometrist and a neuro-optometrist? Neuro-optometrists have additional training in neuro-optometric rehabilitation for traumatic brain injury, concussion, stroke, and neurological conditions. General optometrists provide standard vision exams and prescriptions. Neuro-optometrists provide vision therapy, prism therapy, and visual rehabilitation. Look for NORA fellowship or COVD certification. Can vision therapy help photophobia after concussion? Vision therapy sometimes helps photophobia through gradual desensitization exercises. FL-41 tinted lenses reduce photophobia. Blue light filtering helps. Screen brightness reduction helps. Dark mode use helps. Gradual light exposure therapy helps. Complete darkness avoidance actually worsens photophobia over time. Do I need vision therapy if my eyes look normal? Standard vision exam does not assess convergence, accommodation, oculomotor function, or visual processing. Eyes look normal but function abnormally in most PCS patients. Convergence insufficiency, accommodative dysfunction, and saccadic dysfunction require specialized neuro-optometric evaluation. Visual symptoms after concussion warrant neuro-optometric evaluation regardless of standard exam results. References Patricios, J. S., et al. (2023). Consensus statement on concussion in sport: the 6th International Conference on Concussion in Sport, Amsterdam, October 2022. British Journal of Sports Medicine, 57(11), 695-711. PubMed Silverberg, N. D., et al. (2020). Management of concussion and mild traumatic brain injury: a synthesis of practice guidelines. Archives of Physical Medicine and Rehabilitation, 101(2), 382-393. PubMed