@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/eye_disease>
  skos:prefLabel "eye disease"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/cataracts> .

<https://concepts.sagepub.com/social-science/concept/localized_diseases>
  skos:prefLabel "localized diseases"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/cataracts> .

<https://concepts.sagepub.com/social-science/concept/diseases_and_medical_conditions>
  skos:prefLabel "diseases and medical conditions"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/cataracts> .

<https://concepts.sagepub.com/social-science/concept/cataracts>
  skos:definition "Cataracts are the leading cause of reversible visual loss among adults age 55 years and older. Cataracts result from the clouding of the natural lens, the part of the eye responsible for focusing light and producing clear sharp images. [Source: <a href=\"https://sk.sagepub.com/reference/aging/n53.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Health &amp; Aging; Cataracts</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/localized_diseases>, <https://concepts.sagepub.com/social-science/concept/eye_disease>, <https://concepts.sagepub.com/social-science/concept/diseases_and_medical_conditions> ;
  skos:prefLabel "cataracts"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/concepts>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/cataracts> .