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. 2011 Dec 8;9:111. doi: 10.1186/1477-7525-9-111

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Copyright ©2011 Abetz et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Known group validity of the IDEEL, SF-36 and EQ-5D dimensions by patient-rated severity. IDEEL, Impact of Dry Eye on Everyday Life; SF-36, Short-Form-36; EuroQoL-5D, EQ-5D; Symptom, Symptom-Bother dimension; ADL, Impact on Daily Activities dimension; Emotional, Emotional Impact due to Dry Eye dimension; Work, Impact on Work due to Dry Eye dimension; Effectiveness, Satisfaction with treatment effectiveness dimension; Treatment bother, Treatment-related bother/inconvenience dimension; PCS, Physical Component Scale; MCS, Mental Component Scale; Index, EQ-5D items (score ranges from 0 to 1); VAS, Visual Analogue Scale.