The British and Irish orthoptic journal · 2019
VeRSE: Vertical Reading Strategy Efficacy for Homonymous Hemianopia after Stroke: A Feasibility Study.
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Hepworth Lauren, Rowe Fiona, Waterman Heather
Аннотация
AIM: To conduct a feasibility study using vertical reading for stroke survivors with homonymous hemianopia. Feasibility objectives included assessing the appropriateness of testing methods, outcomes and amount of recruitment possible. Vertical reading has yet no empirical evidence for its use in homonymous hemianopia.
METHOD: A cross-over design was used involving stroke survivors with homonymous hemianopia. Three reading directions (horizontal; 90° clockwise rotation; 90° anti-clockwise rotation) were assessed in a randomised order whilst measuring reading speed.
RESULTS: Seven participants with stroke-induced homonymous hemianopia were recruited (25.9% recruitment rate). The mean horizontal reading speed was 120.3 (SD 33.9) words per minute. When reading vertically (downwards) at 90° clockwise rotation the mean reading speed was 62.7 (SD 43.4) words per minute. When reading vertically (upwards) at 90° anti-clockwise rotation the mean reading speed was 74.6 (SD 53.5) words per minute.
CONCLUSIONS: This feasibility study has informed and provided vital information for planning and developing future studies for vertical reading. The primary outcome measure for future studies should be reading acuity, taking account of both speed and errors. Further preliminary studies are required which incorporate a practice element to assess for any improvement over time.
METHOD: A cross-over design was used involving stroke survivors with homonymous hemianopia. Three reading directions (horizontal; 90° clockwise rotation; 90° anti-clockwise rotation) were assessed in a randomised order whilst measuring reading speed.
RESULTS: Seven participants with stroke-induced homonymous hemianopia were recruited (25.9% recruitment rate). The mean horizontal reading speed was 120.3 (SD 33.9) words per minute. When reading vertically (downwards) at 90° clockwise rotation the mean reading speed was 62.7 (SD 43.4) words per minute. When reading vertically (upwards) at 90° anti-clockwise rotation the mean reading speed was 74.6 (SD 53.5) words per minute.
CONCLUSIONS: This feasibility study has informed and provided vital information for planning and developing future studies for vertical reading. The primary outcome measure for future studies should be reading acuity, taking account of both speed and errors. Further preliminary studies are required which incorporate a practice element to assess for any improvement over time.