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Observational Study
. 2017 Oct 6;7(11):e00771.
doi: 10.1002/brb3.771. eCollection 2017 Nov.

Vision In Stroke cohort: Profile overview of visual impairment

Fiona J Rowe  1 ; VIS writing Group
Collaborators, Affiliations
Observational Study

Vision In Stroke cohort: Profile overview of visual impairment

Fiona J Rowe et al. Brain Behav. .

Abstract

Aim: To profile the full range of visual disorders from a large prospective observation study of stroke survivors referred by stroke multidisciplinary teams to orthoptic services with suspected visual problems.

Methods: Multicenter prospective study undertaken in 20 acute Trust hospitals. Standardized screening/referral forms and investigation forms documented data on referral signs and symptoms plus type and extent of visual impairment.

Results: Of 1,345 patients referred with suspected visual impairment, 915 were recruited (59% men; mean age at stroke onset 69 years [SD 14]). Initial visual assessment was at median 22 days post stroke onset. Eight percent had normal visual assessment. Of 92% with confirmed visual impairment, 24% had reduced central visual acuity <0.3 logMAR and 13.5% <0.5 logMAR. Acquired strabismus was noted in 16% and acquired ocular motility disorders in 68%. Peripheral visual field loss was present in 52%, most commonly homonymous hemianopia. Fifteen percent had visual inattention and 4.6% had other visual perceptual disorders. Overall 84% were visually symptomatic with visual field loss the most common complaint followed by blurred vision, reading difficulty, and diplopia. Treatment options were provided to all with confirmed visual impairment. Targeted advice was most commonly provided along with refraction, prisms, and occlusion.

Conclusions: There are a wide range of visual disorders that occur following stroke and, frequently, with visual symptoms. There are equally a wide variety of treatment options available for these individuals. All stroke survivors require screening for visual impairment and warrant referral for specialist assessment and targeted treatment specific to the type of visual impairment.

Keywords: central vision; ocular motility; stroke; visual field loss; visual impairment; visual inattention; visual perception; visual symptoms.

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Figures

Figure 1
Figure 1
Screening/Referral form for Orthoptic examination
Figure 2
Figure 2
ADLDV quality of life scores
See this image and copyright information in PMC

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