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    Prism therapy and visual rehabilitation in homonymous visual field loss.

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    Authors
    O'Neill, Evelyn C
    Connell, Paul P
    O'Connor, Jeremy C
    Brady, Janice
    Reid, Irene
    Logan, Patricia
    Affiliation
    Department of Ophthalmology, Beaumont Hospital, Dublin, Ireland., evelynoneill@yahoo.com
    Issue Date
    2012-02-01T10:01:16Z
    MeSH
    Adolescent
    Adult
    *Eyeglasses
    Female
    Hemianopsia/*physiopathology/*rehabilitation
    Humans
    Male
    Middle Aged
    Patient Satisfaction
    Prospective Studies
    Quality of Life
    Questionnaires
    Vision, Ocular
    Visual Field Tests
    Visual Fields
    Young Adult
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    Citation
    Optom Vis Sci. 2011 Feb;88(2):263-8.
    Journal
    Optometry and vision science : official publication of the American Academy of, Optometry
    URI
    http://hdl.handle.net/10147/207181
    DOI
    10.1097/OPX.0b013e318205a3b8
    PubMed ID
    21217411
    Abstract
    PURPOSE: Homonymous visual field defects (HVFD) are common and frequently occur after cerebrovascular accidents. They significantly impair visual function and cause disability particularly with regard to visual exploration. The purpose of this study was to assess a novel interventional treatment of monocular prism therapy on visual functioning in patients with HVFD of varied etiology using vision targeted, health-related quality of life (QOL) questionnaires. Our secondary aim was to confirm monocular and binocular visual field expansion pre- and posttreatment. METHODS: Twelve patients with acquired, documented HVFD were eligible to be included. All patients underwent specific vision-targeted, health-related QOL questionnaire and monocular and binocular Goldmann perimetry before commencing prism therapy. Patients were fitted with monocular prisms on the side of the HVFD with the base-in the direction of the field defect creating a peripheral optical exotropia and field expansion. After the treatment period, QOL questionnaires and perimetry were repeated. RESULTS: Twelve patients were included in the treatment group, 10 of whom were included in data analysis. Overall, there was significant improvement within multiple vision-related, QOL functioning parameters, specifically within the domains of general health (p < 0.01), general vision (p < 0.05), distance vision (p < 0.01), peripheral vision (p < 0.05), role difficulties (p < 0.05), dependency (p < 0.05), and social functioning (p < 0.05). Visual field expansion was shown when measured monocularly and binocularly during the study period in comparison with pretreatment baselines. CONCLUSIONS: Patients with HVFD demonstrate decreased QOL. Monocular sector prisms can improve the QOL and expand the visual field in these patients.
    Language
    eng
    ISSN
    1538-9235 (Electronic)
    1040-5488 (Linking)
    ae974a485f413a2113503eed53cd6c53
    10.1097/OPX.0b013e318205a3b8
    Scopus Count
    Collections
    Beaumont Hospital

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