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An Assessment of Self-Reported Disease Classification in Epidemiological Studies of Dry Eye
Investigative Ophthalmology and Visual Science
PURPOSE. To evaluate the reliability of self-reported dry eye disease status and patient-related predictors of misclassification in contact lens wearers. METHODS. Patients completed the Contact Lens Dry Eye Questionnaire (CLDEQ) short form on two occasions. Test-retest reliability of the CLDEQ composite score was determined using the 95% limits of agreement (LoA) and an intraclass correlation coefficient (ICC). The statistic was used to determine reliability of disease-classification-baseddoi:10.1167/iovs.04-0468 pmid:15452049 fatcat:anzw6b5cgvgqjhywezb6eetiha