Understanding how cervical spine dysfunction may influence visual stability, dizziness, sensory integration, and neurological function.
When most people experience blurry vision, difficulty focusing, eye fatigue, or visual disturbances, they naturally assume the problem originates in their eyes.
Similarly, when someone experiences dizziness, imbalance, or difficulty maintaining visual focus while moving their head, the investigation often centers on the inner ear or brain.
But what if the cervical spine is contributing to some of these symptoms?
The relationship between the neck and visual system is more complex than many people realize. The cervical spine is not simply a structural support for the head. It contains a sophisticated network of sensory receptors, muscles, joints, nerves, and vascular structures that participate in maintaining spatial orientation, coordinating head movements, and stabilizing our vision.
Emerging research is helping clarify how disturbances in cervical spine function may influence the way our nervous system processes visual, vestibular, and proprioceptive information.
A 2025 paper published in Diagnostics, titled Cervical Oculopathy: The Cervical Spine Etiology of Visual Symptoms and Eye Diseases, explores this relationship further, proposing additional neurological, autonomic, and vascular mechanisms through which cervical spine dysfunction might influence ocular health.
Although several aspects of this hypothesis remain unproven, it raises an important clinical question:
Could a more comprehensive examination of the cervical spine help explain certain visual and neurological symptoms that might otherwise be overlooked?
The Cervical Spine Is More Than a Mechanical Structure
The cervical spine consists of seven vertebrae, associated joints, ligaments, muscles, and surrounding neurological and vascular structures.
Its functions extend beyond allowing us to turn our heads or maintain upright posture.
The cervical spine also provides the brain with continuous information about the position and movement of the head relative to the body.
This process is called cervical proprioception.
Specialized sensory receptors within cervical muscles and other tissues detect changes in position, movement, and mechanical loading. These signals are integrated with visual and vestibular information to help maintain balance, coordinate movement, and stabilize gaze.
The upper cervical spine is particularly important because its deep musculature contains a high density of muscle spindles involved in detecting subtle movements and changes in head position.
A 2021 review published in Pain and Therapy, titled Cervical Proprioception Impairment in Neck Pain—Pathophysiology, Clinical Evaluation, and Management, described how disturbances in cervical proprioceptive signaling may contribute to altered sensorimotor control, impaired balance, and symptoms associated with chronic neck pain.
The authors also highlighted the potential value of evaluating cervical joint position sense, postural control, and movement coordination in patients experiencing persistent symptoms.
This illustrates an important principle:
The neck does not simply move the head. It helps the brain understand where the head is in space.
When this sensory system becomes disrupted, its effects may extend beyond local neck pain.
How the Neck, Eyes, and Vestibular System Work Together
Stable vision requires constant coordination among three interconnected sensory systems:
The visual system provides information about our surroundings and the movement of objects within our visual field.
The vestibular system, located primarily within the inner ear, detects head movements and contributes to balance, spatial orientation, and gaze stabilization.
The cervical proprioceptive system provides information about the position and movement of the head relative to the trunk.
The brain continuously integrates these signals to create a coherent representation of body position and movement.
Several reflex pathways contribute to this coordination.
The Vestibulo-Ocular Reflex
The vestibulo-ocular reflex (VOR) helps maintain visual stability when the head moves.
For example, when you turn your head to the right while looking at a stationary object, your eyes automatically move in the opposite direction to help keep that object in focus.
This reflex allows us to walk, run, and turn our heads without experiencing constant visual blurring.
The Cervico-Ocular Reflex
The cervico-ocular reflex (COR) involves eye movements influenced by proprioceptive information originating in the neck.
Although its contribution to gaze stabilization is generally smaller than that of the vestibulo-ocular reflex in healthy individuals, the COR becomes particularly relevant when studying how cervical sensory signals interact with visual and vestibular mechanisms.
A 2024 study published in Scientific Reports, titled Human Proprioceptive Gaze Stabilization During Passive Body Rotations Underneath a Fixed Head, investigated gaze-stabilizing eye movements associated with cervical proprioceptive activation.
The study provides experimental support for the involvement of neck-derived sensory information in ocular motor control.
These findings reinforce that eye movement regulation is not exclusively dependent on the eyes or inner ear.
It emerges from coordinated communication among multiple sensory and motor systems, including the cervical spine.
Can Cervical Dysfunction Cause Dizziness or Visual Instability?
Some patients experiencing chronic neck pain or whiplash-associated disorders also report symptoms such as dizziness, visual fatigue, difficulty focusing, or unsteadiness.
One proposed explanation involves a mismatch between cervical proprioceptive signals and information arriving from the vestibular and visual systems.
For example, if the cervical nervous system provides inaccurate information about head position, the brain may receive conflicting sensory information during movement.
This sensory mismatch could contribute to impaired spatial orientation or feelings of disequilibrium.
The term cervicogenic dizziness describes a clinical syndrome in which dizziness is associated with neck pain or cervical movement.
However, this remains a challenging diagnosis because no single clinical test definitively establishes the cervical spine as the cause.
A 2017 review published in Archives of Physiotherapy, titled How to Diagnose Cervicogenic Dizziness, emphasized that clinicians must carefully evaluate alternative explanations, including vestibular, neurological, and vascular disorders.
More recently, a 2024 study in the Journal of Neurology examined patients with chronic or recurrent neck pain and reported disturbances in postural control during head-turning tasks.
The findings support the possibility that cervical dysfunction can influence multisensory integration and balance under certain conditions.
Importantly, visual symptoms and dizziness do not automatically indicate a cervical problem.
Vestibular migraine, benign paroxysmal positional vertigo, binocular vision disorders, concussion, and other neurological or ophthalmological conditions can produce overlapping symptoms.
A careful differential diagnosis is therefore essential.
Cervical Oculopathy: An Emerging Hypothesis
The 2025 paper by Hauser and colleagues introduces the term cervical oculopathy to describe the hypothesis that cervical structural dysfunction may contribute to certain visual symptoms and eye diseases through neurological and neurovascular pathways.
The authors propose that abnormalities involving cervical alignment, ligamentous instability, and the upper cervical region could potentially influence structures responsible for cerebral venous drainage and autonomic regulation.
Their proposed mechanisms focus primarily on two pathways.
1. Cervical Structure and Cerebral Venous Drainage
The internal jugular veins transport venous blood away from the brain and surrounding structures.
These vessels pass through the neck near the upper cervical spine and other anatomical structures.
In certain recognized vascular conditions, anatomical compression of the internal jugular veins can contribute to impaired venous outflow and elevated intracranial venous pressure.
The authors hypothesize that cervical structural abnormalities, including certain forms of upper cervical instability, may contribute to dynamic venous compression during head and neck movements.
They further propose that impaired cerebral venous drainage could influence cerebrospinal fluid dynamics, pressure around the optic nerve, and ocular physiology.
This hypothesis draws upon established anatomical relationships but extends them into a broader proposed explanation for visual symptoms and ocular disease.
It is important to distinguish these observations from demonstrated clinical causation.
The existence of cervical vascular structures and their potential for compression does not establish that common postural abnormalities cause visual impairment, glaucoma, macular degeneration, or other eye diseases.
Additional controlled research is necessary to determine which patients, if any, experience clinically meaningful ocular consequences directly attributable to cervical structural dysfunction.
2. Cervical Structure and Autonomic Regulation
The autonomic nervous system contributes to several aspects of ocular function, including pupillary responses, vascular regulation, and certain mechanisms involved in tear production and ocular physiology.
Sympathetic and parasympathetic pathways influence the eye through coordinated neurological signaling.
The paper proposes that cervical structural abnormalities could potentially influence autonomic function through mechanical effects on neural structures, including the vagus nerve and nearby sympathetic pathways.
In theory, disruption of relevant autonomic mechanisms could contribute to ocular symptoms.
However, the specific suggestion that common cervical postural changes cause vagus nerve degeneration, thereby producing widespread ocular disease, remains unvalidated.
Furthermore, the major parasympathetic pathways controlling pupillary constriction and accommodation arise through the oculomotor nerve, while lacrimation involves pathways associated with the facial nerve. These functions cannot be attributed primarily to the vagus nerve.
The paper therefore presents an interesting research hypothesis rather than an established explanation for eye disease.
What About Forward Head Posture and Screen Time?
Modern lifestyles frequently involve prolonged periods of sitting, computer use, smartphone use, and sustained neck positions.
These behaviors can contribute to musculoskeletal discomfort, particularly when workstations and activity patterns involve prolonged static loading.
People who spend substantial time using digital devices may also experience eye fatigue, headaches, dry eyes, and difficulty focusing.
Collectively, many of these ocular complaints fall under the term digital eye strain, sometimes called computer vision syndrome.
However, several mechanisms can contribute to these symptoms, including prolonged near focusing, reduced blinking, ocular surface dryness, visual correction needs, and environmental conditions.
Neck discomfort may coexist with these problems because both can be influenced by the same working environment and behavioral patterns.
The 2025 cervical oculopathy hypothesis suggests a possible additional explanation involving cervical structure and neurovascular function.
While this warrants investigation, prolonged forward head posture should not be assumed to cause cervical instability or ocular disease.
An evidence-informed approach focuses on identifying specific impairments rather than treating posture alone as a diagnosis.
For example, appropriate interventions may include improved workstation ergonomics, regular movement breaks, cervical muscle conditioning, visual breaks, and treatment of underlying ocular or musculoskeletal conditions.
Why a Comprehensive Chiropractic Examination Matters
The most meaningful clinical implication of the neck–eye relationship is the importance of looking beyond isolated symptoms.
A patient presenting with neck pain and dizziness may have cervical musculoskeletal dysfunction, a vestibular disorder, migraine, or multiple overlapping contributors.
Likewise, visual discomfort occurring alongside neck pain does not necessarily mean the cervical spine is responsible for the visual symptoms.
At Arete Health, our approach to chiropractic assessment emphasizes understanding the relationship between musculoskeletal function, neurological control, movement, and the patient's broader clinical presentation.
When appropriate, a comprehensive evaluation may include:
Cervical musculoskeletal assessment: Joint mobility, muscle function, range of motion, symptom behavior, and relevant orthopedic findings.
Cervical proprioceptive assessment: Head repositioning accuracy, joint position sense, and sensorimotor coordination.
Oculomotor and vestibular screening: Eye movement control, gaze stabilization, and relevant vestibular findings when indicated.
Balance and postural assessment: Evaluation of how visual, vestibular, and somatosensory information contributes to stability.
Neurological examination: Cranial nerve function, sensation, reflexes, strength, and screening for neurological warning signs.
These findings may help determine whether cervical impairments are contributing to a patient's symptoms and whether additional medical, neurological, vestibular, or ophthalmological evaluation is appropriate.
Advanced imaging and vascular investigations should be reserved for clinically supported indications rather than used routinely to search for speculative mechanisms.
Can Chiropractic Care Help?
When cervical musculoskeletal dysfunction contributes to neck pain, reduced mobility, or impaired sensorimotor control, conservative interventions may provide meaningful benefits.
These interventions may include manual therapy, individualized therapeutic exercise, cervical strengthening, proprioceptive retraining, and movement education.
For patients with cervical-related dizziness, a 2025 systematic review and meta-analysis published in BMC Musculoskeletal Disorders examined randomized trials investigating manual therapy.
The review suggests that appropriately selected manual therapy interventions may improve certain dizziness-related outcomes, although the underlying mechanisms and the certainty of evidence remain important considerations.
A 2026 exploratory randomized controlled trial published in Chiropractic & Manual Therapies also investigated the immediate effects of upper cervical spinal manipulation on cervical sensorimotor control in individuals with chronic neck pain.
Research of this kind is valuable because it evaluates measurable neurological and functional outcomes rather than assuming that improvements in joint mechanics automatically produce broader health benefits.
Nevertheless, evidence that manual therapy may improve neck pain, dizziness, or sensorimotor function must not be interpreted as evidence that chiropractic manipulation treats glaucoma, retinal degeneration, or other primary eye diseases.
The goals of care should be matched to the condition being treated and supported by measurable outcomes.
Importantly, known or suspected cervical instability, vascular disease, or other relevant contraindications require particular caution; high-velocity cervical manipulation may be inappropriate in these circumstances.
When Visual Symptoms Require Medical Attention
Although some visual complaints may coexist with cervical dysfunction, certain symptoms require prompt medical evaluation.
Sudden visual loss, new persistent double vision, severe eye pain, new visual field loss, or visual disturbances accompanied by neurological deficits should not be attributed to a musculoskeletal problem without appropriate investigation.
Similarly, sudden severe headache or neck pain accompanied by dizziness, weakness, speech changes, or difficulty walking may indicate a neurological or vascular emergency.
Chiropractic care should complement—not replace—appropriate ophthalmological and neurological evaluation.
Identifying the correct source of symptoms is more important than assigning every complaint to a single anatomical structure.
The Future of Chiropractic Care: Integrating Movement, Vision, and Neurological Function
Research into cervical proprioception, vestibular integration, and ocular motor control demonstrates that the cervical spine participates in far more than mechanical movement.
Its sensory systems contribute to the neurological processes that help us coordinate head movements, maintain posture, and stabilize our visual environment.
The emerging cervical oculopathy hypothesis invites researchers to investigate whether additional structural, autonomic, and vascular pathways may explain certain visual symptoms in carefully selected patients.
However, promising hypotheses must undergo rigorous testing before becoming established clinical explanations or treatments.
At Arete Health, our approach emphasizes integrating chiropractic care with functional neurological assessment, movement science, and individualized rehabilitation when clinically appropriate.
We believe understanding how different physiological systems interact can improve clinical reasoning, support more targeted interventions, and help patients make informed decisions about their care.
Because treating the neck should involve more than addressing pain or posture alone—it should include understanding how cervical function contributes to movement, sensory integration, balance, and an individual's ability to interact comfortably with the world around them.
References
Hauser RA, Griffiths M, Matias D, Rawlings BR. Cervical Oculopathy: The Cervical Spine Etiology of Visual Symptoms and Eye Diseases—A Hypothesis Exploring Mechanisms Linking the Neck and the Eye. Diagnostics. 2025;15(20):2650. https://doi.org/10.3390/diagnostics15202650
Peng B, Yang L, Li Y, Liu T, Liu Y. Cervical Proprioception Impairment in Neck Pain—Pathophysiology, Clinical Evaluation, and Management: A Narrative Review. Pain and Therapy. 2021;10:143–164. https://doi.org/10.1007/s40122-020-00230-z
Wibble T, Pansell T. Human proprioceptive gaze stabilization during passive body rotations underneath a fixed head. Scientific Reports. 2024;14:17355. https://doi.org/10.1038/s41598-024-68116-0
Reiley AS, Vickory FM, Funderburg SE, Cesario RA, Clendaniel RA. How to diagnose cervicogenic dizziness. Archives of Physiotherapy. 2017;7:12. https://doi.org/10.1186/s40945-017-0040-x
Huppert D, Tsai TI, Richter S, et al. Impact of proprioceptive cervical dizziness in chronic neck pain syndromes on gait and stance during active head-turn challenges. Journal of Neurology. 2024;271:7460–7470. https://doi.org/10.1007/s00415-024-12711-8
Lystad RP, Bell G, Bonnevie-Svendsen M, Carter CV. Manual therapy with and without vestibular rehabilitation for cervicogenic dizziness: a systematic review. Chiropractic & Manual Therapies. 2011;19:21. https://doi.org/10.1186/2045-709X-19-21
Is manual therapy effective for cervical dizziness? A systematic review and meta-analysis of randomized controlled trials. BMC Musculoskeletal Disorders. 2025. https://doi.org/10.1186/s12891-025-08899-z
Immediate effects of upper cervical spinal manipulation on cervical sensorimotor control in individuals with chronic primary cervical pain: an exploratory randomized controlled trial. Chiropractic & Manual Therapies. 2026. https://doi.org/10.1186/s12998-026-00626-2
Measurement properties of cervical joint position error in people with and without neck pain: a systematic review and narrative synthesis. BMC Musculoskeletal Disorders. 2024;25:44. https://doi.org/10.1186/s12891-023-07111-4
Sports-related concussion: assessing the comprehension, collaboration, and contribution of chiropractors. Chiropractic & Manual Therapies. 2022. https://doi.org/10.1186/s12998-022-00471-z