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Hemianopic Dyslexia – Rehabilitation — SCE Neurology MCQ

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ModerateNeurorehabilitationHemianopic Dyslexia – RehabilitationSCE Neurology

A 68-year-old man with a recent stroke has a right homonymous hemianopia. He is struggling with reading — he can see individual words but loses his place when moving to the next line. What is this reading difficulty called, and what compensatory strategy may help?

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Correct answer: B — Hemianopic dyslexia — use a vertical reading guide or typoscope, and saccadic eye movement training to compensate for the field loss

Hemianopic dyslexia is a specific reading difficulty caused by a homonymous hemianopia (particularly right-sided, as the hemianopia affects the ability to see upcoming text during reading). The patient can recognise words but cannot effectively scan along the line. Compensatory strategies include: using a typoscope (reading guide/ruler), saccadic eye movement training to improve scanning into the blind field, large print, and optical aids. Dedicated neuro-rehabilitation visual field training programmes can improve function. A: This is not alexia without agraphia (which involves complete inability to read). C: This is an acquired, not developmental, reading difficulty. D: Treatment strategies exist. E: Language processing is intact.

Reference: RCP National Clinical Guideline for Stroke (2023); Rowe et al. Visual Field Loss Rehabilitation