@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/insp0002517>
  skos:prefLabel "Ophthalmic lens"@en, "عدسی چشمی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0002516> .

<http://www.irandoc.acir/onto/irandoc/insp000299>
  skos:prefLabel "Vision defect"@en, "نقص دید"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0002516> .

<http://www.irandoc.acir/onto/irandoc/insp0002516>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0014559>, <http://www.irandoc.acir/onto/irandoc/insp000299> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0002517> ;
  skos:prefLabel "Contact lens"@en, "عدسی تماسی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0014559>
  skos:prefLabel "Eye"@en, "چشم"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0002516> .