Background: To investigate the association between keratoconus (KC) and allergic eye diseases, eye rubbing, and atopy.
Methods: PubMed, Web of Science, Scopus, and Cochrane databases were searched for studies investigating eye allergy, atopy, and eye rubbing as risk factors for KC up to April 2021. Two authors independently screened all titles and abstracts against the predefined inclusion and exclusion criteria.
Background: To investigate association between keratoconus and allergic eye diseases, eye rubbing, and atopy.
Methods: PubMed, Web of Science, Scopus, and Cochrane were searched for relevant published studies from inception to April 2021 without restrictions or filters. We included case-control, cohort, and cross-sectional studies that investigated eye allergy, atopy, or eye rubbing as possible risk factors for KC.