Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2061212118', 'doi': 'https://doi.org/10.1016/s0361-235x(75)80016-x', 'title': 'Introduction and Classification of Intraocular Lenses', 'display_name': 'Introduction and Classification of Intraocular Lenses', 'publication_year': 1975, 'publication_date': '1975-09-01', 'ids': {'openalex': 'https://openalex.org/W2061212118', 'doi': 'https://doi.org/10.1016/s0361-235x(75)80016-x', 'mag': '2061212118'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/s0361-235x(75)80016-x', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2898353662', 'display_name': 'American Intra-Ocular Implant Society Newsletter', 'issn_l': '0361-235X', 'issn': ['0361-235X', '2543-1625'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5113996439', 'display_name': 'Bradley R. Straatsma', 'orcid': None}, 'institutions': [], 'countries': ['US'], 'is_corresponding': True, 'raw_author_name': 'Bradley R. Straatsma', 'raw_affiliation_strings': ['Los Angeles, California'], 'affiliations': [{'raw_affiliation_string': 'Los Angeles, California', 'institution_ids': []}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5113996439'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 56}, 'biblio': {'volume': '1', 'issue': '2', 'first_page': '38', 'last_page': '40'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11291', 'display_name': 'Intraocular Surgery and Lenses', 'score': 0.9916, '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/T11291', 'display_name': 'Intraocular Surgery and Lenses', 'score': 0.9916, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/intraocular-lenses', 'display_name': 'Intraocular lenses', 'score': 0.8560736}, {'id': 'https://openalex.org/keywords/presentation', 'display_name': 'Presentation (obstetrics)', 'score': 0.51982415}, {'id': 'https://openalex.org/keywords/cataract-extraction', 'display_name': 'Cataract extraction', 'score': 0.5125601}], 'concepts': [{'id': 'https://openalex.org/C3017621354', 'wikidata': 'https://www.wikidata.org/wiki/Q32806', 'display_name': 'Intraocular lenses', 'level': 3, 'score': 0.8560736}, {'id': 'https://openalex.org/C2779567214', 'wikidata': 'https://www.wikidata.org/wiki/Q32806', 'display_name': 'Intraocular lens', 'level': 2, 'score': 0.8329872}, {'id': 'https://openalex.org/C118487528', 'wikidata': 'https://www.wikidata.org/wiki/Q161437', 'display_name': 'Ophthalmology', 'level': 1, 'score': 0.58153075}, {'id': 'https://openalex.org/C119767625', 'wikidata': 'https://www.wikidata.org/wiki/Q618211', 'display_name': 'Optometry', 'level': 1, 'score': 0.5721712}, {'id': 'https://openalex.org/C2777601897', 'wikidata': 'https://www.wikidata.org/wiki/Q3409113', 'display_name': 'Presentation (obstetrics)', 'level': 2, 'score': 0.51982415}, {'id': 'https://openalex.org/C3020256872', 'wikidata': 'https://www.wikidata.org/wiki/Q1818260', 'display_name': 'Cataract extraction', 'level': 2, 'score': 0.5125601}, {'id': 'https://openalex.org/C15336307', 'wikidata': 'https://www.wikidata.org/wiki/Q1766051', 'display_name': 'Lens (geology)', 'level': 2, 'score': 0.49009407}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.4655773}, {'id': 'https://openalex.org/C120665830', 'wikidata': 'https://www.wikidata.org/wiki/Q14620', 'display_name': 'Optics', 'level': 1, 'score': 0.18967625}, {'id': 'https://openalex.org/C141071460', 'wikidata': 'https://www.wikidata.org/wiki/Q40821', 'display_name': 'Surgery', 'level': 1, 'score': 0.12120375}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.09873393}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/s0361-235x(75)80016-x', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2898353662', 'display_name': 'American Intra-Ocular Implant Society Newsletter', 'issn_l': '0361-235X', 'issn': ['0361-235X', '2543-1625'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 8, 'referenced_works': ['https://openalex.org/W127014073', 'https://openalex.org/W1984088252', 'https://openalex.org/W2026828623', 'https://openalex.org/W2218998115', 'https://openalex.org/W228102282', 'https://openalex.org/W2424110171', 'https://openalex.org/W2592287734', 'https://openalex.org/W3010602441'], 'related_works': ['https://openalex.org/W3032860047', 'https://openalex.org/W2808393467', 'https://openalex.org/W2796231937', 'https://openalex.org/W2440114220', 'https://openalex.org/W2123746544', 'https://openalex.org/W2101127497', 'https://openalex.org/W2061212118', 'https://openalex.org/W2037114898', 'https://openalex.org/W2013737869', 'https://openalex.org/W1996479708'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2061212118', 'counts_by_year': [], 'updated_date': '2024-12-06T14:31:46.495105', 'created_date': '2016-06-24'}