FND Education Project

REFERENCE · RECOVERY TECHNIQUE

Treatment of Coexisting Eye, Migraine and Neurological Conditions

Most likely fit: Functional visual symptoms coexist with a treatable eye, headache or neurological problem, or a changed presentation needs reassessment. [Clinical assessment and condition-specific care; improvement does not identify a single mechanism]

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What this approach is for

More than one condition can affect vision. Glasses may need updating; eye discomfort may need assessment; migraine or another neurological condition may need its own plan. Treating those problems matters even if some functional visual symptoms remain.

Ask the team to explain which findings belong to which diagnosis and who will follow each one. An FND diagnosis should not close the door to ordinary eye care or assessment of a new symptom.

Terms in everyday language

Refraction is how the eye focuses light and is part of selecting corrective lenses. The ocular surface includes the front of the eye and its protective tear film. Migraine aura can change vision, but a new visual event should not be self-labelled as aura without appropriate assessment.

Practical discussion and flare adaptations

Bring a short account of what changed: one eye or both, sudden or gradual, continuous or episodic, with pain or without. Mention headache, injury, new medicines and the activities affected. Use a written or audio note if recall is difficult.

Ask the prescriber about medication changes rather than stopping treatment yourself. During an established flare, follow the agreed response; sudden inability to see from one or both eyes or sudden severe eye pain requires immediate medical help. New flashes, a shadow, double vision or painful red eye needs urgent assessment.

These examples require selection for your assessed presentation. The clinical rationale and its limits are described in the sources below. (Sources: 1, 2, 3)

For the Person With FND
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For Clinicians and the Care Team
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For Family, Friends, and Other Supporters

Help describe what is new compared with the usual pattern. Do not assume a new problem is functional or suggest that another diagnosis makes the FND diagnosis false.

Support access to care, including an escort or transport when vision is unreliable. The person should not drive themselves for emergency assessment.

For the Person With FND
For Family, Friends, and Other Supporters
For Clinicians and the Care Team
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For Clinicians and the Care Team

Selection and assessment

Revisit acuity, refraction, ocular examination, fields, eye movements and neurological findings as indicated by the history. Consider retinal or optic-nerve disease, migraine and other brain conditions alongside the positive functional formulation. Treat diagnostic signs and symptomatic disability as related but different clinical questions.

Explicit procedure

  1. Triage sudden loss, severe pain and other urgent features before rehabilitation.
  2. Document the established baseline and new findings, including monocular versus binocular symptoms.
  3. Select focused examination and investigation according to clinical findings and relevant guidelines.
  4. Explain concurrent diagnoses, uncertainties and the plan for each problem.
  5. Coordinate ophthalmic treatment, headache care, medication review and rehabilitation without unsupported promises about sensory recovery.
  6. Arrange follow-up and a written escalation plan; update activity and access advice when function changes.

Review, progression and stopping

Track condition-specific outcomes and the person’s daily function separately. A better headache pattern need not immediately restore vision, and residual visual loss does not prove that headache treatment failed. Do not infer that all symptoms share one mechanism because they occur together.

This is an educational implementation example, not a validated standalone treatment protocol. (Sources: 1, 2, 3)

For the Person With FND
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Research and Sources

The visual-loss reviews emphasize coexisting ocular and neurological conditions. The 2026 synthesis supports taking comorbidity seriously but does not show that treating it reliably resolves functional visual loss. NHS guidance is used for urgent visual-change triage, not FND treatment efficacy.

Citation Full citation
[1] Ramsay N, McKee J, Al-Ani G, Stone J. How do I manage functional visual loss. Eye. 2024;38:2257–2266. FND-CIT-0024. Source
[2] Ramsay N, Tessmann H, McKee J, Ercoli T, Stone J. Functional visual loss: a systematic review and meta-analysis of epidemiology, prognosis and treatment. Eye. 2026;40:1784–1793. Published online June 26, 2026. FND-CIT-0103. Source
[3] NHS. Vision loss. Reviewed August 28, 2025; accessed September 16, 2026. FND-CIT-0104. Source

Source check: September 16, 2026 · Ophthalmology, neuro-ophthalmology, orthoptics, migraine, psychological, lived-experience, supporter and accessibility review pending.

For the Person With FND
For Family, Friends, and Other Supporters
For Clinicians and the Care Team
Research and Sources —