{"id":"https://openalex.org/W4256700501","doi":"https://doi.org/10.21203/rs.2.10534/v2","title":"Comparison of refractive outcomes after photorefractive keratectomy with different optical zones using Mel 90 excimer laser","display_name":"Comparison of refractive outcomes after photorefractive keratectomy with different optical zones using Mel 90 excimer laser","publication_year":2020,"publication_date":"2020-01-24","ids":{"openalex":"https://openalex.org/W4256700501","doi":"https://doi.org/10.21203/rs.2.10534/v2"},"language":"en","primary_location":{"id":"doi:10.21203/rs.2.10534/v2","is_oa":true,"landing_page_url":"https://doi.org/10.21203/rs.2.10534/v2","pdf_url":"https://www.researchsquare.com/article/rs-1509/v2.pdf?c=1585619095000","source":{"id":"https://openalex.org/S4306525896","display_name":"Research Square","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Research Square","raw_type":"posted-content"},"type":"preprint","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.researchsquare.com/article/rs-1509/v2.pdf?c=1585619095000","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5112765194","display_name":"Dae Hwan Shin","orcid":null},"institutions":[{"id":"https://openalex.org/I4210103535","display_name":"Kangbuk Samsung Hospital","ror":"https://ror.org/013e76m06","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I2250650973","https://openalex.org/I2802194831","https://openalex.org/I4210103535"]},{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Dae Hwan Shin","raw_affiliation_strings":["Kanbuk Samsung Hospital, Sungkyunkwan University School of Medicine"],"affiliations":[{"raw_affiliation_string":"Kanbuk Samsung Hospital, Sungkyunkwan University School of Medicine","institution_ids":["https://openalex.org/I4210103535","https://openalex.org/I848706"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100754050","display_name":"Yong Woo Lee","orcid":"https://orcid.org/0000-0003-1642-0248"},"institutions":[{"id":"https://openalex.org/I4210117632","display_name":"Kim's Eye Hospital","ror":"https://ror.org/02nh1np55","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I4210117632"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yong Woo Lee","raw_affiliation_strings":["Kim's Eye Hospital, Seoul"],"affiliations":[{"raw_affiliation_string":"Kim's Eye Hospital, Seoul","institution_ids":["https://openalex.org/I4210117632"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061047591","display_name":"Ji Eun Song","orcid":"https://orcid.org/0000-0002-8440-3821"},"institutions":[{"id":"https://openalex.org/I4210103535","display_name":"Kangbuk Samsung Hospital","ror":"https://ror.org/013e76m06","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I2250650973","https://openalex.org/I2802194831","https://openalex.org/I4210103535"]},{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Ji Eun Song","raw_affiliation_strings":["Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine"],"affiliations":[{"raw_affiliation_string":"Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine","institution_ids":["https://openalex.org/I4210103535","https://openalex.org/I848706"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073405708","display_name":"Chul Young Choi","orcid":"https://orcid.org/0000-0002-3453-3505"},"institutions":[{"id":"https://openalex.org/I1311269955","display_name":"Apple (Israel)","ror":"https://ror.org/04ehjr030","country_code":"IL","type":"company","lineage":["https://openalex.org/I1311269955","https://openalex.org/I4210153776"]},{"id":"https://openalex.org/I4210103535","display_name":"Kangbuk Samsung Hospital","ror":"https://ror.org/013e76m06","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I2250650973","https://openalex.org/I2802194831","https://openalex.org/I4210103535"]},{"id":"https://openalex.org/I848706","display_name":"Sungkyunkwan University","ror":"https://ror.org/04q78tk20","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]}],"countries":["IL","KR"],"is_corresponding":true,"raw_author_name":"Chul Young Choi","raw_affiliation_strings":["Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, International Vision Correction Research Centre (IVCRC) and David J. Apple International Laboratory on Ocular Pathology, Univesity of Heidelberg"],"affiliations":[{"raw_affiliation_string":"Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, International Vision Correction Research Centre (IVCRC) and David J. Apple International Laboratory on Ocular Pathology, Univesity of Heidelberg","institution_ids":["https://openalex.org/I4210103535","https://openalex.org/I848706","https://openalex.org/I1311269955"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5073405708"],"corresponding_institution_ids":["https://openalex.org/I1311269955","https://openalex.org/I4210103535","https://openalex.org/I848706"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10563","display_name":"Corneal surgery and disorders","score":0.9997000098228455,"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"}},"topics":[{"id":"https://openalex.org/T10563","display_name":"Corneal surgery and disorders","score":0.9997000098228455,"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/T11828","display_name":"Corneal Surgery and Treatments","score":0.9958999752998352,"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/T10250","display_name":"Glaucoma and retinal disorders","score":0.9923999905586243,"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/photorefractive-keratectomy","display_name":"Photorefractive keratectomy","score":0.9383530616760254},{"id":"https://openalex.org/keywords/dioptre","display_name":"Dioptre","score":0.8990618586540222},{"id":"https://openalex.org/keywords/ophthalmology","display_name":"Ophthalmology","score":0.6802058219909668},{"id":"https://openalex.org/keywords/excimer-laser","display_name":"Excimer laser","score":0.6403461694717407},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.5348279476165771},{"id":"https://openalex.org/keywords/excimer","display_name":"Excimer","score":0.49634939432144165},{"id":"https://openalex.org/keywords/significant-difference","display_name":"Significant difference","score":0.471659779548645},{"id":"https://openalex.org/keywords/cornea","display_name":"Cornea","score":0.4211500287055969},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2722926139831543},{"id":"https://openalex.org/keywords/laser","display_name":"Laser","score":0.26966750621795654},{"id":"https://openalex.org/keywords/visual-acuity","display_name":"Visual acuity","score":0.12876221537590027},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10800132155418396},{"id":"https://openalex.org/keywords/internal-medicine","display_name":"Internal medicine","score":0.0703439712524414}],"concepts":[{"id":"https://openalex.org/C2780603455","wikidata":"https://www.wikidata.org/wiki/Q565832","display_name":"Photorefractive keratectomy","level":3,"score":0.9383530616760254},{"id":"https://openalex.org/C259533","wikidata":"https://www.wikidata.org/wiki/Q193933","display_name":"Dioptre","level":3,"score":0.8990618586540222},{"id":"https://openalex.org/C118487528","wikidata":"https://www.wikidata.org/wiki/Q161437","display_name":"Ophthalmology","level":1,"score":0.6802058219909668},{"id":"https://openalex.org/C2780477314","wikidata":"https://www.wikidata.org/wiki/Q241056","display_name":"Excimer laser","level":3,"score":0.6403461694717407},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5348279476165771},{"id":"https://openalex.org/C74561354","wikidata":"https://www.wikidata.org/wiki/Q901723","display_name":"Excimer","level":3,"score":0.49634939432144165},{"id":"https://openalex.org/C3018023364","wikidata":"https://www.wikidata.org/wiki/Q425265","display_name":"Significant difference","level":2,"score":0.471659779548645},{"id":"https://openalex.org/C2776882836","wikidata":"https://www.wikidata.org/wiki/Q168291","display_name":"Cornea","level":2,"score":0.4211500287055969},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2722926139831543},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.26966750621795654},{"id":"https://openalex.org/C2778257484","wikidata":"https://www.wikidata.org/wiki/Q555066","display_name":"Visual acuity","level":2,"score":0.12876221537590027},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10800132155418396},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.0703439712524414}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.21203/rs.2.10534/v2","is_oa":true,"landing_page_url":"https://doi.org/10.21203/rs.2.10534/v2","pdf_url":"https://www.researchsquare.com/article/rs-1509/v2.pdf?c=1585619095000","source":{"id":"https://openalex.org/S4306525896","display_name":"Research Square","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Research Square","raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.21203/rs.2.10534/v2","is_oa":true,"landing_page_url":"https://doi.org/10.21203/rs.2.10534/v2","pdf_url":"https://www.researchsquare.com/article/rs-1509/v2.pdf?c=1585619095000","source":{"id":"https://openalex.org/S4306525896","display_name":"Research Square","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Research Square","raw_type":"posted-content"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4256700501.pdf","grobid_xml":"https://content.openalex.org/works/W4256700501.grobid-xml"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W86537616","https://openalex.org/W1556469068","https://openalex.org/W1969408393","https://openalex.org/W1983406270","https://openalex.org/W1991751910","https://openalex.org/W2004160149","https://openalex.org/W2012057410","https://openalex.org/W2016056870","https://openalex.org/W2021037093","https://openalex.org/W2042883488","https://openalex.org/W2080427807","https://openalex.org/W2084460919","https://openalex.org/W2086925999","https://openalex.org/W2105477490","https://openalex.org/W2107810534","https://openalex.org/W2142624198","https://openalex.org/W2159160342","https://openalex.org/W2166946835","https://openalex.org/W2269206343","https://openalex.org/W2305214224","https://openalex.org/W2398671841","https://openalex.org/W2400796734","https://openalex.org/W2412720345","https://openalex.org/W2416721621","https://openalex.org/W2431685648","https://openalex.org/W2781473712","https://openalex.org/W6633299556"],"related_works":["https://openalex.org/W2041746247","https://openalex.org/W2010994582","https://openalex.org/W141940981","https://openalex.org/W2400813505","https://openalex.org/W2082041529","https://openalex.org/W2363073019","https://openalex.org/W2413488871","https://openalex.org/W1964215468","https://openalex.org/W2913489405","https://openalex.org/W2472756171"],"abstract_inverted_index":{"Abstract":[0],"Background:":[1],"To":[2],"compare":[3],"the":[4,10,66,115,128,142,151,156,168,176,213,218],"changes":[5],"in":[6,83,127,141,187,204],"clinical":[7,224],"outcomes":[8,226],"and":[9,22,51,102,109,113,130,148,155,167,195,217,227],"degree":[11],"of":[12,36,69,73,144,163,189,192,202],"regression":[13,228],"between":[14,150,212],"a":[15,44,52,237,245],"6.0":[16,45,129,152,169,214,238],"mm":[17,24],"optical":[18,25],"zone":[19,26],"(6.0":[20],"OZ)":[21,28],"6.5":[23,53,131,157,177,181,219,246],"(6.5":[27],"following":[29],"photorefractive":[30],"keratectomy":[31],"(PRK).":[32],"Methods:":[33],"The":[34,180,223],"records":[35],"95":[37],"eyes":[38],"that":[39,200],"had":[40],"undergone":[41],"PRK":[42,230],"with":[43,236,244],"OZ":[46,54,132,153,158,170,178,182,215,220,239],"(":[47,55],"n":[48,56],"=":[49,57],"40)":[50],"55)":[58],"were":[59,137,240],"retrospectively":[60],"reviewed.":[61],"We":[62],"compared":[63],"data":[64],"including":[65],"spherical":[67,103],"equivalent":[68],"manifest":[70],"refraction":[71],"(SE":[72],"MR),":[74],"simulated":[75],"K":[76,147],"(Sim":[77],"K),":[78],"thinnest":[79,84],"corneal":[80,85,97],"thickness,":[81],"change":[82,203],"thickness":[86],"(the":[87],"initial":[88],"value":[89],"divided":[90],"by":[91],"corrected":[92],"diopter":[93],"[\u0394TCT/CD]),":[94],"Q":[95,196],"value,":[96],"higher":[98],"order":[99],"aberrations":[100],"(HOAs)":[101],"aberration":[104],"(SA)":[105],"pre-operation,":[106],"at":[107,114],"3":[108],"6":[110],"months":[111,126],"postoperative":[112],"last":[116],"follow-up":[117,164],"visit":[118],"(Mean;":[119],"20.71":[120],"\u00b1":[121,124],"10.52,":[122],"17.47":[123],"6.57":[125],"group,":[133],"respectively).":[134],"Results:":[135],"There":[136],"no":[138,209],"significant":[139,210],"differences":[140],"SE":[143],"MR,":[145],"Sim":[146,205],"UDVA":[149],"group":[154,159,171,183,216],"over":[160],"1":[161],"year":[162],"after":[165,229],"PRK,":[166],"required":[172],"less":[173],"\u0394TCT/CD":[174],"than":[175],"group.":[179,221],"showed":[184],"better":[185],"results":[186],"terms":[188],"post-operative":[190],"HOAs":[191],"RMS,":[193],"SA":[194],"value.":[197],"When":[198],"comparing":[199],"pattern":[201],"K,":[206],"there":[207],"was":[208],"difference":[211],"Conclusions:":[222],"refractive":[225],"using":[231],"Mel":[232],"90":[233],"excimer":[234],"laser":[235],"comparable":[241],"to":[242],"those":[243],"OZ.":[247]},"counts_by_year":[],"updated_date":"2026-03-25T13:04:00.132906","created_date":"2025-10-10T00:00:00"}