{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,2]],"date-time":"2025-08-02T14:28:59Z","timestamp":1754144939785,"version":"3.41.2"},"reference-count":28,"publisher":"BMJ","issue":"5","funder":[{"DOI":"10.13039\/501100021171","name":"Basic and Applied Basic Research Foundation of Guangdong Province","doi-asserted-by":"publisher","award":["2022A151511"],"award-info":[{"award-number":["2022A151511"]}],"id":[{"id":"10.13039\/501100021171","id-type":"DOI","asserted-by":"publisher"}]},{"name":"National Natural Science Foundation of China General Program","award":["82070922","82301253","82371021"],"award-info":[{"award-number":["82070922","82301253","82371021"]}]},{"DOI":"10.13039\/501100002858","name":"The China Postdoctoral Science Foundation","doi-asserted-by":"crossref","award":["2022M723605"],"award-info":[{"award-number":["2022M723605"]}],"id":[{"id":"10.13039\/501100002858","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["Br J Ophthalmol"],"accepted":{"date-parts":[[2024,10,15]]},"published-print":{"date-parts":[[2025,5]]},"abstract":"<jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>This study aimed to characterise imaging artefacts in the lacrimal gland using swept-source optical coherence tomography (SS-OCT) in patients with dry eye disease (DED) and healthy participants and identify risk factors for these artefacts.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>In total, 151 eyes, including 104 from patients with DED and 47 from non-DED participants, were analysed. Demographic data collection, comprehensive ocular examinations and SS-OCT imaging of the palpebral lobe of the lacrimal gland were performed. Artefacts were classified into distinct categories with different severities. Univariate and multivariate logistic regression analyses were performed to evaluate the association of age, gender, best-corrected visual acuity, intraocular pressure (IOP) and the presence of DED with the presence of artefacts.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Eight artefact types and severity grading were defined by analysing 1208 lacrimal SS-OCT images. The three most prevalent artefacts were defocus (75.83%), cliff (67.47%) and Z-off (58.44%). The presence of artefacts was significantly associated with the presence of DED (OR=9.13; 95%\u2009CI, 2.39 to 34.88; p=0.001) and higher IOP (OR=1.34; 95%\u2009CI, 1.14 to 1.58; p&lt;0.001). Furthermore, multivariate logistic analyses showed that lower tear film breakup time (OR=0.71; 95%\u2009CI, 0.55 to 0.92; p=0.009) and higher meibum quality score (OR=2.86; 95%\u2009CI, 1.49 to 5.48; p=0.002) were significantly associated with higher odds for the presence of artefacts.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>DED eyes had more SS-OCT image artefacts than normal eyes. Stringent standardised image quality control should be implemented before further image analysis when using SS-OCT to assess lacrimal gland image.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1136\/bjo-2024-325864","type":"journal-article","created":{"date-parts":[[2024,11,1]],"date-time":"2024-11-01T13:20:11Z","timestamp":1730467211000},"page":"554-560","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["In vivo lacrimal gland imaging artefact assessment based on swept-source optical coherence tomography for dry eye disease"],"prefix":"10.1136","volume":"109","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1522-2653","authenticated-orcid":false,"given":"Weijing","family":"Cheng","sequence":"first","affiliation":[{"name":"Sun Yat-Sen University Zhongshan Ophthalmic Center State Key Laboratory of Ophthalmology, Guangzhou, Guangdong, 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