{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,3]],"date-time":"2026-03-03T15:05:19Z","timestamp":1772550319494,"version":"3.50.1"},"reference-count":21,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2026,3,3]],"date-time":"2026-03-03T00:00:00Z","timestamp":1772496000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Victor Babes University of Medicine and Pharmacy in Timisoara"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Bioengineering"],"abstract":"<jats:p>Background and Objectives: Accurate anterior segment measurements are central to intraocular lens (IOL) power calculation and toric planning, yet different optical platforms may yield non-interchangeable values. This study compared keratometry, astigmatism metrics, and ocular biometry obtained with a swept-source OCT biometer (Argos), an optical low-coherence interferometry biometer (Aladdin), and a combined Scheimpflug\u2013Placido topographer (Schwind Sirius). Methods: This is a retrospective observational study (January 2022\u2013June 2024) including eyes undergoing uncomplicated cataract surgery. All eyes were measured in a single session by one examiner. Outcomes included K1, K2, cylinder, astigmatism axis (degrees; device-reported corneal cylinder axis, labeled \u201cPowerful Angle\u201d in the Sirius export), vector components (J0 and J45), and\u2014where available\u2014lens thickness (LT), axial length (AL), anterior chamber depth (ACD), white-to-white (WTW) distance, and central corneal thickness (CCT). Friedman tests assessed 3-device differences, and pairwise comparisons were evaluated using Wilcoxon signed-rank tests (paired data). Results: A total of 170 eyes (102 patients) were analyzed (mean age: 69.12 \u00b1 10.26 years). Significant inter-device differences were detected for K1 (Argos: 43.45 \u00b1 1.64 D; Aladdin: 43.41 \u00b1 1.70 D; overall: p &lt; 0.001; Argos vs. Aladdin: p = 0.019), K2 (Argos: 44.45 \u00b1 1.67 D; Aladdin: 44.34 \u00b1 1.71 D; overall and pairwise: p &lt; 0.001), and cylinder (Argos: \u22120.83 \u00b1 0.74 D, Aladdin: \u22120.77 \u00b1 0.76 D; Sirius: \u22120.68 \u00b1 0.75 D; overall: p &lt; 0.001). \u201cPowerful Angle\u201d differed across devices (p = 0.003) but not between Argos and Aladdin (p = 0.512). J0 (p = 0.277) and J45 (p = 0.084) did not differ significantly. Argos reported higher ACD (3.19 \u00b1 0.42 vs. 3.13 \u00b1 0.41 mm, p &lt; 0.001) and WTW (11.95 \u00b1 0.42 vs. 11.65 \u00b1 0.39 mm, p &lt; 0.001) values than Aladdin. CCT was similar between Aladdin and Sirius (540.27 \u00b1 33.44 vs. 540.47 \u00b1 33.78 \u00b5m, p = 0.169). Conclusions: Several keratometric and biometric parameters differed significantly by device, indicating limited interchangeability\u2014particularly relevant for toric and premium IOL planning\u2014while vector astigmatism components and CCT showed better agreement.<\/jats:p>","DOI":"10.3390\/bioengineering13030296","type":"journal-article","created":{"date-parts":[[2026,3,3]],"date-time":"2026-03-03T09:45:12Z","timestamp":1772531112000},"page":"296","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Interdevice Agreement of Keratometry, Astigmatism Vectors, and Ocular Biometry in Cataract Candidates: SS-OCT (Argos) vs. OLCI (Aladdin) vs. Scheimpflug\u2013Placido (Sirius)"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6078-1505","authenticated-orcid":false,"given":"Leila","family":"Al Barri","sequence":"first","affiliation":[{"name":"Ophthalmology Department, \u201cVictor Babes\u201d University of Medicine and Pharmacy, 300041 Timisoara, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3991-5692","authenticated-orcid":false,"given":"Ionela-Iasmina","family":"Yasar","sequence":"additional","affiliation":[{"name":"Ophthalmology Department, \u201cVictor Babes\u201d University of Medicine and Pharmacy, 300041 Timisoara, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nadina","family":"Mercea","sequence":"additional","affiliation":[{"name":"Ophthalmology Department, \u201cVictor Babes\u201d University of Medicine and Pharmacy, 300041 Timisoara, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9630-4727","authenticated-orcid":false,"given":"Anca","family":"Tudor","sequence":"additional","affiliation":[{"name":"Medical Informatics and Biostatistics Department, \u201cVictor Babes\u201d University of Medicine and Pharmacy, 300041 Timisoara, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2595-6319","authenticated-orcid":false,"given":"Horia T.","family":"Stanca","sequence":"additional","affiliation":[{"name":"Ophthalmology Department, \u201cCarol Davila\u201d University of Medicine and Pharmacy, 050474 Bucharest, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cosmin","family":"Ro\u0219ca","sequence":"additional","affiliation":[{"name":"Oculens Clinic, Calea Turzii No. 134-136, 400347 Cluj Napoca, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9526-2211","authenticated-orcid":false,"given":"Mihnea","family":"Munteanu","sequence":"additional","affiliation":[{"name":"Ophthalmology Department, \u201cVictor Babes\u201d University of Medicine and Pharmacy, 300041 Timisoara, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2026,3,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2189","DOI":"10.2147\/OPTH.S314618","article-title":"Comparison of Preoperative Measurements with Intraoperative Aberrometry in Predicting Need for Correction in Eyes with Low Astigmatism Undergoing Cataract Surgery","volume":"15","author":"Hovanesian","year":"2021","journal-title":"Clin. 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