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  • Title: Comparison of the NEI-VFQ and OSDI questionnaires in patients with Sjögren's syndrome-related dry eye.
    Author: Vitale S, Goodman LA, Reed GF, Smith JA.
    Journal: Health Qual Life Outcomes; 2004 Sep 01; 2():44. PubMed ID: 15341657.
    Abstract:
    BACKGROUND: To examine the associations between vision-targeted health-related quality of life (VT-HRQ) and ocular surface parameters in patients with Sjögren's syndrome, a systemic autoimmune disease characterized by dry eye and dry mouth. METHODS: Forty-two patients fulfilling European / American diagnostic criteria for Sjögren's syndrome underwent Schirmer testing without anesthesia, ocular surface vital dye staining; and measurement of tear film breakup time (TBUT). Subjects were administered the Ocular Surface Disease Index (OSDI) and the 25-item National Eye Institute Vision Functioning Questionnaire (NEI-VFQ). Main outcome measures included ocular surface parameters, OSDI subscales describing ocular discomfort (OSDI-symptoms), vision-related function (OSDI-function), and environmental triggers, and NEI-VFQ subscales. RESULTS: Participants (aged 31-81 y; 95% female) all had moderate to severe dry eye. Associations of OSDI subscales with the ocular parameters were modest (Spearman r (rho) < 0.22) and not statistically significant. Associations of NEI-VFQ subscales with the ocular parameters reached borderline significance for the near vision subscale with TBUT (rho = 0.32, p =.05) and for the distance vision subscale with van Bijsterveld score (rho = 0.33, p =.04). The strongest associations of the two questionnaires were for: ocular pain and mental function with OSDI-symptoms (rho = 0.60 and 0.45, respectively); and general vision, ocular pain, mental function, role function, and driving with OSDI-function (rho = 0.60, 0.50, 0.61, 0.64, 0.57, and 0.67, respectively). CONCLUSIONS: Associations between conventional objective measures of dry eye and VT-HRQ were modest. The generic NEI-VFQ was similar to the disease-specific OSDI in its ability to measure the impact of Sjögren's syndrome-related dry eye on VT-HRQ.
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