<https://www.notadryeye.org/all-about-dry-eye-syndrome/diagnosing-dry-eye-syndrome-and-related-conditions/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebPage>
<https://www.notadryeye.org/all-about-dry-eye-syndrome/diagnosing-dry-eye-syndrome-and-related-conditions/>