摘要Purpose:To describe the development of the of scale quality of life which can mea-sure the quality of life of Chinese patients with visual impairment.Methods:Based on a thorough literature search and consultation with ophthalmol-ogists and public health professionals,20 items were selected to create a scale.Fifty-seven cataract patients with vision impairment and 60 glaucoma patients with vision impairment and visual field loss were measured by the scale to evalu-ate the validity,reliability and responsiveness of the scale.Results:The scale covered four domains of the quality of life(QOL).The criteri-on related validity of the scale:r=0.6865 (P=0.001).The test-retest reliability of the scale:r=-0.8959(P=0.001).Coronback's alpha was 0.9359.The vari-ance ratio(VR) of intra-individual variance to inter-individual variance was 0.0551 for overall scores.The correlation coefficient of split-half method was 0.9553.The responsiveness:T-test,T=5.95 (P=0.001),effect size statistic was 1.533.Conclusions:The result demonstrates that the scale has a satisfactory validity,re-liability and responsiveness.It suggests that the scale can be applied to clinical trials.
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