{"id":"https://openalex.org/W898323656","doi":null,"title":"Comparison Of Macular Pigment Optical Density Measurements Using Customised Heterochromatic Flicker Photometry Versus Reflectance","display_name":"Comparison Of Macular Pigment Optical Density Measurements Using Customised Heterochromatic Flicker Photometry Versus Reflectance","publication_year":2011,"publication_date":"2011-04-22","ids":{"openalex":"https://openalex.org/W898323656","mag":"898323656"},"language":"en","primary_location":{"id":"mag:898323656","doi":null,"is_oa":false,"landing_page_url":"https://iovs.arvojournals.org/article.aspx?articleid=2360987","pdf_url":null,"source":{"id":"https://openalex.org/S76304953","display_name":"Investigative Ophthalmology & Visual Science","issn_l":"0146-0404","issn":["0146-0404","1552-5783"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-c","doyens","jufo-2","ki-jl-2","medline","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310321950","host_organization_name":"Cadmus Press","host_organization_lineage":["https://openalex.org/P4310321950"],"host_organization_lineage_names":["Cadmus Press"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Investigative Ophthalmology & Visual Science","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5019717537","display_name":"James Loughman","orcid":"https://orcid.org/0000-0003-3130-8991","observed_orcids":["https://orcid.org/0000-0003-3130-8991"]},"institutions":[{"id":"https://openalex.org/I4387153685","display_name":"Dublin Institute of Technology","ror":"https://ror.org/029nmgq20","country_code":"IE","type":"education","lineage":["https://openalex.org/I4210144925","https://openalex.org/I4387153685"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"James Loughman","raw_affiliation_strings":["Macular Pigment Research Group, Dept of Optometry, Dublin Institute of Technology, Dublin, Ireland"],"raw_orcid":"https://orcid.org/0000-0003-3130-8991","affiliations":[{"raw_affiliation_string":"Macular Pigment Research Group, Dept of Optometry, Dublin Institute of Technology, Dublin, Ireland","institution_ids":["https://openalex.org/I4387153685"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062169058","display_name":"Stephen Beatty","orcid":"https://orcid.org/0000-0001-7620-7903","observed_orcids":["https://orcid.org/0000-0001-7620-7903"]},"institutions":[{"id":"https://openalex.org/I7478328","display_name":"Waterford Institute of Technology","ror":"https://ror.org/03ypxwh20","country_code":"IE","type":"nonprofit","lineage":["https://openalex.org/I4387156359","https://openalex.org/I7478328"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Stephen Beatty","raw_affiliation_strings":["\u2020Macular Pigment Research Group, Waterford Institute of Technology, Waterford, Ireland"],"raw_orcid":"https://orcid.org/0000-0001-7620-7903","affiliations":[{"raw_affiliation_string":"\u2020Macular Pigment Research Group, Waterford Institute of Technology, Waterford, Ireland","institution_ids":["https://openalex.org/I7478328"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019365800","display_name":"Jim Stack","orcid":"https://orcid.org/0000-0003-4392-4564","observed_orcids":["https://orcid.org/0000-0003-4392-4564"]},"institutions":[{"id":"https://openalex.org/I7478328","display_name":"Waterford Institute of Technology","ror":"https://ror.org/03ypxwh20","country_code":"IE","type":"nonprofit","lineage":["https://openalex.org/I4387156359","https://openalex.org/I7478328"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Jim Stack","raw_affiliation_strings":["\u2020Macular Pigment Research Group, Waterford Institute of Technology, Waterford, Ireland"],"raw_orcid":"https://orcid.org/0000-0003-4392-4564","affiliations":[{"raw_affiliation_string":"\u2020Macular Pigment Research Group, Waterford Institute of Technology, Waterford, Ireland","institution_ids":["https://openalex.org/I7478328"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031316983","display_name":"Eithne E. Connolly","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I7478328","display_name":"Waterford Institute of Technology","ror":"https://ror.org/03ypxwh20","country_code":"IE","type":"nonprofit","lineage":["https://openalex.org/I4387156359","https://openalex.org/I7478328"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Eithne Connolly","raw_affiliation_strings":["\u2020Macular Pigment Research Group, Waterford Institute of Technology, Waterford, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"\u2020Macular Pigment Research Group, Waterford Institute of Technology, Waterford, Ireland","institution_ids":["https://openalex.org/I7478328"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002052577","display_name":"John M. Nolan","orcid":"https://orcid.org/0000-0002-5503-7084","observed_orcids":["https://orcid.org/0000-0002-5503-7084"]},"institutions":[{"id":"https://openalex.org/I7478328","display_name":"Waterford Institute of Technology","ror":"https://ror.org/03ypxwh20","country_code":"IE","type":"nonprofit","lineage":["https://openalex.org/I4387156359","https://openalex.org/I7478328"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"John M. Nolan","raw_affiliation_strings":["\u2020Macular Pigment Research Group, Waterford Institute of Technology, Waterford, Ireland"],"raw_orcid":"https://orcid.org/0000-0002-5503-7084","affiliations":[{"raw_affiliation_string":"\u2020Macular Pigment Research Group, Waterford Institute of Technology, Waterford, Ireland","institution_ids":["https://openalex.org/I7478328"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.06043976,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"52","issue":"14","first_page":"3623","last_page":"3623"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10170","display_name":"Retinal Diseases and Treatments","score":0.6406000256538391,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10170","display_name":"Retinal Diseases and Treatments","score":0.6406000256538391,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11438","display_name":"Retinal Imaging and Analysis","score":0.04610000178217888,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10427","display_name":"Visual perception and processing mechanisms","score":0.03959999978542328,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/macular-pigment","display_name":"macular pigment","score":0.9169999957084656},{"id":"https://openalex.org/keywords/lutein","display_name":"lutein","score":0.6949999928474426},{"id":"https://openalex.org/keywords/zeaxanthin","display_name":"zeaxanthin","score":0.8180000185966492},{"id":"https://openalex.org/keywords/heterochromatic-flicker-photometry","display_name":"heterochromatic flicker photometry","score":0.953000009059906},{"id":"https://openalex.org/keywords/reflectometry","display_name":"reflectometry","score":0.8529999852180481},{"id":"https://openalex.org/keywords/macular-pigment-optical-density","display_name":"macular pigment optical density","score":0.7559999823570251},{"id":"https://openalex.org/keywords/measurement-method-comparison","display_name":"measurement method comparison","score":0.531000018119812}],"concepts":[{"id":"https://openalex.org/C68271606","wikidata":"https://www.wikidata.org/wiki/Q625648","display_name":"Photometry (optics)","level":3,"score":0.8889189958572388},{"id":"https://openalex.org/C19743564","wikidata":"https://www.wikidata.org/wiki/Q25378119","display_name":"Flicker","level":2,"score":0.786404550075531},{"id":"https://openalex.org/C108597893","wikidata":"https://www.wikidata.org/wiki/Q663650","display_name":"Reflectivity","level":2,"score":0.6448087096214294},{"id":"https://openalex.org/C64584667","wikidata":"https://www.wikidata.org/wiki/Q161179","display_name":"Pigment","level":2,"score":0.6328043937683105},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5433626174926758},{"id":"https://openalex.org/C3020486325","wikidata":"https://www.wikidata.org/wiki/Q907315","display_name":"Optical density","level":2,"score":0.5343249440193176},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5168119668960571},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.3418225347995758},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.291662335395813},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.26942020654678345},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.1101287305355072},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.10786628723144531},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:898323656","doi":null,"is_oa":false,"landing_page_url":"https://iovs.arvojournals.org/article.aspx?articleid=2360987","pdf_url":null,"source":{"id":"https://openalex.org/S76304953","display_name":"Investigative Ophthalmology & Visual Science","issn_l":"0146-0404","issn":["0146-0404","1552-5783"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-c","doyens","jufo-2","ki-jl-2","medline","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310321950","host_organization_name":"Cadmus Press","host_organization_lineage":["https://openalex.org/P4310321950"],"host_organization_lineage_names":["Cadmus Press"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Investigative Ophthalmology & Visual Science","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1153133680","https://openalex.org/W1171589802","https://openalex.org/W1138493134","https://openalex.org/W1004398989","https://openalex.org/W1004756664","https://openalex.org/W751613577","https://openalex.org/W1159359723","https://openalex.org/W1467336586","https://openalex.org/W2991719996","https://openalex.org/W7002114747"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2016-06-24T00:00:00"}