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Ophthalmology Research: An International Journal, ISSN: 2321-7227,Vol.: 5, Issue.: 1

Review Article

Post-stroke Visual Impairment: A Systematic Literature Review of Types and Recovery of Visual Conditions

 

Lauren R. Hepworth1, Fiona J. Rowe1*, Marion F. Walker2, Janet Rockliffe3, Carmel Noonan4, Claire Howard5 and Jim Currie6

1Department of Health Services Research, University of Liverpool, Liverpool L69 3GB, United Kingdom.

2Department of Rehabilitation and Ageing, University of Nottingham, Nottingham NG7 2UH, United Kingdom.

3Speakability (North West Development Group), 1 Royal Street, London SE1 7LL, United Kingdom.

4Department of Ophthalmology, Aintree University Hospital NHS Foundation Trust, L9 7AL, United Kingdom.  

5Department of Orthoptics, Salford Royal NHS Foundation Trust, Manchester M6 8HD, United Kingdom.

6Different Strokes (London South East), 9 Canon Harnett Court, Wolverton Mill, MK12 5NF, United Kingdom.

Article Information
Editor(s):
(1) Yüksel Totan, Department of Ophthalmology, Turgut Özal University, Turkey.
Reviewers:
(1) Arturo Solís Herrera, Human Photosynthesis Study Center, Mexico.
(2) Italo Giuffre, Catholic University of Roma, Italy.
Complete Peer review History: http://sciencedomain.org/review-history/12294

Abstracts

Aim: The aim of this literature review was to determine the reported incidence and prevalence of visual impairment due to stroke for all visual conditions including central vision loss, visual field loss, eye movement problems and visual perception problems. A further aim was to document the reported rate and extent of recovery of visual conditions post stroke.

Methods: A systematic review of the literature was conducted including all languages and translations obtained. The review covered adult participants (aged 18 years or over) diagnosed with a visual impairment as a direct cause of a stroke. Studies which included mixed populations were included if over 50% of the participants had a diagnosis of stroke. We searched scholarly online resources and hand searched journals and registers of published, unpublished and ongoing trials. Search terms included a variety of MESH terms and alternatives in relation to stroke and visual conditions. The quality of the evidence was assessed using key reporting guidelines, e.g. STROBE, CONSORT.

Results: Sixty-one studies (n=25,672) were included in the review. Overall prevalence of visual impairment early after stroke was estimated at 65%, ranging from 19% to 92%. Visual field loss reports ranged from 5.5% to 57%, ocular motility problems from 22% to 54%, visual inattention from 14% to 82% and reduced central vision reported in up to 70%. Recovery of visual field loss varied between 0% and 72%, with ocular motility between 7% and 92% and visual inattention between 29% and 78%.

Conclusion: The current literature provides a range of estimates for prevalence of visual impairment after stroke. Visual impairment post stroke is a common problem and has significant relevance to the assessment and care these patients receive. Prospective figures regarding incidence remain unknown.

Keywords :

Incidence; prevalence; visual impairment; stroke; recovery; review.

Full Article - PDF    Page 1-43

DOI : 10.9734/OR/2016/21767

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