{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T17:51:06Z","timestamp":1779299466813,"version":"3.51.4"},"reference-count":16,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,8,12]],"date-time":"2023-08-12T00:00:00Z","timestamp":1691798400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Ophthalmologica"],"published-print":{"date-parts":[[2024,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To evaluate a new automated retinal oximetry image quality indicator with cataract as a clinical model.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Sixty\u2010one eyes in 61 patients were imaged by the Oxymap T1 Retinal Oximeter at baseline and 25 eyes were also examined 3\u2009weeks after cataract surgery. Image quality (0\u201310 on a continuous scale) was compared with standardized AREDS cataract grading and Pentacam lens densitometry. Associations with retinal oximetry measurements and visual acuity were examined.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Image quality correlated with total, nuclear and posterior subcapsular cataract grades (ANOVA, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05), tended to be associated with lens densitometry and it improved from 4.3\u2009\u00b1\u20091.4 to 5.7\u2009\u00b1\u20091.0 (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05) after cataract surgery. Very low image quality, below 3, led to vessel detection failure in retinal oximetry images. Higher image qualities were linearly associated with higher measured retinal oxygen saturations (<jats:italic>r<\/jats:italic>\u2009=\u20090.52 in arteries and <jats:italic>r<\/jats:italic>\u2009=\u20090.46 in veins; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Retinal oximetry image quality deteriorated with increasing cataract density and improved after cataract surgery, supporting its use as a measure of optical clarity. The numerical quality indicator demonstrated a threshold below which images of poor optical quality should be discarded. Image quality affects the estimates of retinal oximetry parameters and should therefore be included in future analyses.<\/jats:p><\/jats:sec>","DOI":"10.1111\/aos.15747","type":"journal-article","created":{"date-parts":[[2023,8,12]],"date-time":"2023-08-12T09:34:15Z","timestamp":1691832855000},"page":"312-317","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Evaluation of a retinal oximetry image quality indicator in patients with cataract"],"prefix":"10.1111","volume":"102","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2313-5648","authenticated-orcid":false,"given":"Oliver Niels","family":"Klefter","sequence":"first","affiliation":[{"name":"Department of Ophthalmology Rigshospitalet Glostrup  Copenhagen Denmark"},{"name":"Department of Clinical Medicine University of Copenhagen  Copenhagen Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jesper H\u00f8iberg","family":"Erichsen","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology Rigshospitalet Glostrup  Copenhagen Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7094-7756","authenticated-orcid":false,"given":"Mathias M\u00f8ller","family":"Hansen","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology Rigshospitalet Glostrup  Copenhagen Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lars\u00a0Morten","family":"Holm","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology Rigshospitalet Glostrup  Copenhagen Denmark"},{"name":"Department of Clinical Medicine University of Copenhagen  Copenhagen Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sveinn Hakon","family":"Hardarson","sequence":"additional","affiliation":[{"name":"Department of Medicine University of Iceland  Reykjavik 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