{"id_concept_class": "", "creation_time": 1512660584736, "event_stamp": "2009-07-10T21:01:20", "def_id_user": "usr_4b9003ea0be96", "def_event_stamp": "2011-04-28T23:07:09", "last_updated": 1512660584736, "def_id": "def_4db9f31d9c2ad", "name": "Ishihara plates for color blindness", "alias": "", "definition_text": "a test for red-green color deficiencies that consists of a number of colored plates, called Ishihara plates, each of which contain a circle of dots appearing randomized in color and size. Within the pattern are dots which form a number visible to those with normal color vision and invisible, or difficult to see, for those with a red-green color vision defect.", "id_user": "usr_0000000000", "id": "tsk_4a57abb949af3", "type": "task", "conditions": [{"creation_time": 1512660606576, "event_stamp": "2011-06-09T18:44:40", "last_updated": 1512660606576, "condition_text": "Hidden Digits plates", "name": "Hidden Digits plates", "condition_description": "plates are designed so that a person with deficient color vision will report seeing a digit, while people with normal color vision will not", "id_user": "usr_4de5345b3b6a8", "id": "con_4df11498b173f", "relationship": "HASCONDITION"}, {"creation_time": 1512660606533, "event_stamp": "2011-06-09T18:43:10", "last_updated": 1512660606533, "condition_text": "Vanishing plates", "name": "Vanishing plates", "condition_description": "plates are designed to that a person with deficient color vision will not see any digits, while people with normal color vision will report some digit", "id_user": "usr_4de5345b3b6a8", "id": "con_4df1143e308e6", "relationship": "HASCONDITION"}, {"creation_time": 1512660606498, "event_stamp": "2011-06-09T18:42:27", "last_updated": 1512660606498, "condition_text": "Transformation plates", "name": "Transformation plates", "condition_description": "plates are designed so that a person with deficient color vision will report a different digit than someone with normal color vision", "id_user": "usr_4de5345b3b6a8", "id": "con_4df11413051f5", "relationship": "HASCONDITION"}], "concepts": [{"id_concept_class": "ctp_C1", "creation_time": 1512660628309, "event_stamp": "2009-06-22T19:12:55", "def_id_user": "usr_4a5bc4a2a8aba", "def_event_stamp": "2009-07-10T21:06:31", "last_updated": 1512660628309, "def_id": "def_4a57ad574beef", "name": "color perception", "alias": "", "definition_text": "The process of distinguishing objects based on the wavelengths of the light they reflect or emit.", "id_user": "usr_0000000000", "relationship": "ASSERTS", "concept_id": "trm_4a3fd79d09d93", "contrasts": [{"id": "cnt_4df10f9cbd86c", "name": "number of plates read correctly by controls with normal color vision minus number of plates read correctly by subject"}]}], "indicators": [{"type": "number of plates read correctly", "relationship": "HASINDICATOR"}], "external_datasets": [], "implementations": [], "citation": [{"citation_pubname": " (Ophthalmic Physiol Opt)", "event_stamp": "2011-06-09T18:46:32", "citation_pmid": "9390366", "citation_desc": "Efficiency of the Ishihara test for identifying red-green colour deficiency.", "citation_type": "CT2", "citation_url": "http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=9390366&retmode=ref&cmd=prlinks", "citation_comment": "Via PubMed API", "id_user": "usr_4de5345b3b6a8", "id": "cit_4df11508648d7", "citation_source": "PubMed API", "citation_authors": "Birch J", "citation_pubdate": "1997 Sep", "relationship": "HASCITATION"}, {"event_stamp": "2011-06-09T18:45:19", "citation_pubname": "Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) (Ophthalmic Physiol Opt)", "citation_pmid": "20883353", "citation_desc": "Identification of red-green colour deficiency: sensitivity of the Ishihara and American Optical Company (Hard, Rand and Rittler) pseudo-isochromatic plates to identify slight anomalous trichromatism.", "citation_type": "CT2", "citation_url": "http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=20883353&retmode=ref&cmd=prlinks", "citation_comment": "Via PubMed API", "id_user": "usr_4de5345b3b6a8", "id": "cit_4df114bf31698", "citation_source": "PubMed API", "citation_authors": "Birch J", "citation_pubdate": "2010 Sep", "relationship": "HASCITATION"}], "contrasts": [{"creation_time": 1512660651512, "event_stamp": "2011-06-09T18:44:40", "last_updated": 1512660651512, "name": "Hidden Digits plates", "id_user": "usr_4de5345b3b6a8", "id": "cnt_4df11498b1933", "conditions": []}, {"creation_time": 1512660651481, "event_stamp": "2011-06-09T18:43:10", "last_updated": 1512660651481, "name": "Vanishing plates", "id_user": "usr_4de5345b3b6a8", "id": "cnt_4df1143e30adb", "conditions": []}, {"creation_time": 1512660651441, "event_stamp": "2011-06-09T18:42:27", "last_updated": 1512660651441, "name": "Transformation plates", "id_user": "usr_4de5345b3b6a8", "id": "cnt_4df114130545a", "conditions": []}, {"creation_time": 1512660651410, "event_stamp": "2011-06-09T18:23:24", "last_updated": 1512660651410, "name": "number of plates read correctly by controls with normal color vision minus number of plates read correctly by subject", "id_user": "usr_4de5345b3b6a8", "id": "cnt_4df10f9cbd86c", "conditions": []}], "batteries": [], "disorders": []}