@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/disorders_of_perception>
  skos:prefLabel "disorders of perception"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/visual_disorders:_blindness> .

<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/visual_disorders:_blindness> .

<https://concepts.sagepub.com/social-science/concept/visual_perception>
  skos:prefLabel "visual perception"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/visual_disorders:_blindness> .

<https://concepts.sagepub.com/social-science/concept/visual_disorders:_blindness>
  skos:definition "Blindness is the complete absence or severe impoverishment of vision. The World Health Organization (WHO) defines blindness as acuity of less than 20/400 in the better eye (in case of unequal vision loss across the two eyes) or a visual field of less than 10° around fixation. [Source: <a href=\"https://sk.sagepub.com/reference/perception/n373.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Perception; Visual Disorders: Blindness</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/visual_perception>, <https://concepts.sagepub.com/social-science/concept/disorders_of_perception> ;
  skos:prefLabel "visual disorders: blindness"@en ;
  a skos:Concept .