Associations with Corneal Hysteresis in a Population Cohort: Results from 96 010 UK Biobank Participants

UKBiobank Eye and Vision Consortium

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    Abstract

    Purpose: To describe the distribution of corneal hysteresis (CH) in a large cohort and explore its associated factors and possible clinical applications. Design: Cross-sectional study within the UK Biobank, a large cohort study in the United Kingdom. Participants: We analyzed CH data from 93 345 eligible participants in the UK Biobank cohort, aged 40 to 69 years. Methods: All analyses were performed using left eye data. Linear regression models were used to evaluate associations between CH and demographic, lifestyle, ocular, and systemic variables. Piecewise logistic regression models were used to explore the relationship between self-reported glaucoma and CH. Main Outcome Measures: Corneal hysteresis (mmHg). Results: The mean CH was 10.6 mmHg (10.4 mmHg in male and 10.8 mmHg in female participants). After adjusting for covariables, CH was significantly negatively associated with male sex, age, black ethnicity, self-reported glaucoma, diastolic blood pressure, and height. Corneal hysteresis was significantly positively associated with smoking, hyperopia, diabetes, systemic lupus erythematosus (SLE), greater deprivation (Townsend index), and Goldmann-correlated intraocular pressure (IOPg). Self-reported glaucoma and CH were significantly associated when CH was less than 10.1 mmHg (odds ratio, 0.86; 95% confidence interval, 0.79–0.94 per mmHg CH increase) after adjusting for covariables. When CH exceeded 10.1 mmHg, there was no significant association between CH and self-reported glaucoma. Conclusions: In our analyses, CH was significantly associated with factors including age, sex, and ethnicity, which should be taken into account when interpreting CH values. In our cohort, lower CH was significantly associated with a higher prevalence of self-reported glaucoma when CH was less than 10.1 mmHg. Corneal hysteresis may serve as a biomarker aiding glaucoma case detection.

    Original languageEnglish
    Pages (from-to)1500-1510
    Number of pages11
    JournalOphthalmology
    Volume126
    Issue number11
    DOIs
    Publication statusPublished - Nov 2019

    Bibliographical note

    Funding Information:
    This analysis was funded by the Medical Research Council, UK (MRC), through a grant to Dementia Platforms UK (DPUK) - MRC grant ref MR/ L023784/2 (to B.Z.). Data from UK Biobank were accessed under application number 15008 (to B.Z.) on the DPUK Data Portal. The UK Biobank Eye and Vision Consortium is supported by grants from The National Institute for Health Research Biomedical Research Centre at Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology, the Alcon Research Institute, Moorfields Eye Charity, and the International Glaucoma Association. No funders had a direct role in the collection, management, analysis, or interpretation of the data; preparation, review, or approval of the manuscript; or in the decision to submit the manuscript for publication.

    Publisher Copyright:
    © 2019

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