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Published on: December 16, 2022
Visual impairment following stroke: do stroke patients require vision assessment?
Fiona Rowe1, Darren Brand, Carole A Jackson
1Directorate of Orthoptics and Vision Science, University of Liverpool, Thompson Yates Building, Brownlow Hill, Liverpool L69 3GB, UK. rowef@liverpool.ac.uk
Age and Ageing
|November 26, 2008
Summary
Following stroke, visual impairment is common, affecting 92% of patients. This study identified prevalent issues like eye movement disorders and visual field defects, highlighting the need for comprehensive assessment.
Area of Science:
- Ophthalmology
- Neurology
- Public Health
Background:
- Stroke survivors frequently experience a wide spectrum of visual impairments, including low vision, ocular motility issues, visual field deficits, and perceptual problems.
- These visual difficulties significantly impact a patient's quality of life and rehabilitation outcomes post-stroke.
Purpose of the Study:
- To present a 1-year dataset on visual impairment following stroke.
- To identify the specific types and prevalence of visual impairments in stroke survivors.
Main Methods:
- A multi-center, prospective observational study involving 14 acute care hospitals.
- Standardized screening and investigation protocols were used to assess visual acuity, ocular pathology, eye alignment/movement, visual perception (including inattention), and visual field defects.
- 323 stroke survivors with suspected visual difficulties were recruited.
Main Results:
- Eye alignment/movement impairment was observed in 68% of patients.
- Visual field impairment affected 49%, while 26.5% experienced low vision, and 20.5% had perceptual difficulties.
- Only 8% of referred patients had normal vision; 92% exhibited some form of visual impairment.
Conclusions:
- A high prevalence of visual impairment (92%) was confirmed in stroke survivors referred for assessment.
- The study suggests that standardized, specialist-led investigations may lead to higher detection rates than previously reported.
- The possibility of under-ascertainment of visual problems remains a consideration.
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