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The association between level of comprehension and four of the subscores of the 25-item National Eye Institute Visual Function Questionnaire (NEI VFQ-25) in Chinese patients with glaucoma. As the level of comprehension increased, the subscores of general vision (F=8.372, p<0.001), near activity (F=16.607, p<0.001), far activity (F=12.884, p<0.001) and the NEI VFQ-25 composite score (F=3.821, p<0.05) increased dramatically.
