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Assessing the Quality, Reliability, and Readability of Online Information on Dry Eye Disease

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Purpose: The purpose of this study was to assess the quality, reliability, readability, and technical quality of web sites relating to dry eye disease. Methods: A cross-sectional study was conducted… Click to show full abstract

Purpose: The purpose of this study was to assess the quality, reliability, readability, and technical quality of web sites relating to dry eye disease. Methods: A cross-sectional study was conducted that evaluated the first 75 web sites on a Google Search by using the keyword “dry eyes.” Each web site was evaluated by 2 independent reviewers using the DISCERN, HONcode, and JAMA criteria to assess quality and reliability. Interrater reliability was also analyzed. Readability was assessed using the Flesch–Kincaid readability tests and the Gunning fog, Simple Measure of Gobbledygook, Coleman–Liau, and automated readability indices. Technical quality was determined by the presence of 10 specific features. Web sites were further categorized into institutional (academic centers, medical associations, and government institutions) and private (private practices) categories. Results: There was no significant difference in scoring observed between the 2 reviewers. The overall mean DISCERN score ± standard error (SE) was 3.2 ± 0.1, the mean HONcode score (±SE) was 9.3 ± 0.3, and the mean JAMA score (±SE) was 1.9 ± 0.1. Institutional web sites had a higher DISCERN score (3.4 ± 0.1 vs. 3.1 ± 0.1; P < 0.05) and HONcode score (10.3 ± 0.5 vs. 8.8 ± 0.4; P < 0.05) than private sites. Technical quality was higher in institutional web sites compared with private web sites (P < 0.05). Readability was poor among all web sites, with most web sites not achieving below a ninth grade reading level. Conclusions: Quality, reliability, and readability scores were low for most web sites. Although institutional web sites achieved higher scores than private web sites, revision is warranted to improve their overall quality of information and readability profile.

Keywords: web sites; quality reliability; readability; quality

Journal Title: Cornea
Year Published: 2022

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