{"id":"S2004006007","label":"Visual fields--Measurement","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2004006007","normalized_label":"visual fields--measurement","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2004006007","provider":"lcsh","revision":"5e314c8c6af34629","taxonomy_revision":"f050b5d4780b1289","title":"Visual fields--Measurement","url":"/topics/S2004006007","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14702221171056058886","address_version":"morton4x16-v1","coordinates":[0,477,51921,56320],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}