Visual field loss
Visual field loss occurs in approximately 30–35% of stroke survivors, and usually affects half of the field of vision in both eyes (homonymous hemianopia).
Other visual impairments include diplopia (double vision), difficulties with ocular convergence (both eyes looking at the same point), impaired saccadic movement (both eyes looking from one point to another), oversensitivity to light, nystagmus (rapid involuntary rhythmic movement of eyes from midline to one side) and dry eyes.
These impairments can result in significant functional difficulties with activities such as reading, writing, mobilising and driving. Pre-existing visual deficits should be clarified as many stroke survivors are elderly and normal visual loss is common.
For current research and evidence-based recommendations see our Clinical Guidelines.
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