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The mean prediction error (PE) was\u2009\u2212\u20090.08\u2009\u00b1\u20091.54 diopters (D) with BU II, 0.24\u2009\u00b1\u20091.46 D with Hoffer-Q, and 0.71\u2009\u00b1\u20091.92 D with SRKT (<jats:italic>P<\/jats:italic>\u2009=\u20090.10). In eyes with axial length (AL)\u2009&lt;\u200922\u00a0mm, BU II and Hoffer-Q had a smaller PE than SRKT (<jats:italic>P<\/jats:italic>\u2009=\u20090.024). In eyes with AL\u2009\u2265\u200922\u00a0mm, BU II had a smaller PE than Hoffer-Q (<jats:italic>P<\/jats:italic>\u2009=\u20090.048).<\/jats:p>\n                <jats:p>In children 24\u00a0months or older at surgery, BU II had a smaller PE than SRKT and Hoffer-Q (<jats:italic>P<\/jats:italic>\u2009=\u20090.012). However, in younger children, no difference was found between the formulae (<jats:italic>P<\/jats:italic>\u2009=\u20090.61).<\/jats:p>\n                <jats:p>For mean <jats:italic>k<\/jats:italic>-values\u2009\u2265\u200944.5 D, BU II and Hoffer-Q had a smaller PE than SRKT (<jats:italic>P<\/jats:italic>\u2009=\u20090.002). An absolute prediction error\u2009&lt;\u20091.0 D was obtained with BU II in 66% of eyes and SRKT in 35% (<jats:italic>P<\/jats:italic>\u2009=\u20090.01).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>The BU II formula performed well with a small prediction error. No significant difference in PE was detected overall between the formulae. However, only BU II demonstrated a stable prediction error at varying axial lengths, K-readings, and ages. As the biometric parameters of the developing eye change with growth, the BU II formula offers a reliable and stable option for pediatric IOL calculation.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00417-024-06401-4","type":"journal-article","created":{"date-parts":[[2024,2,15]],"date-time":"2024-02-15T12:02:08Z","timestamp":1707998528000},"page":"2309-2320","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Refractive predictive errors using Barrett II, Hoffer-Q, and SRKT formulae for pediatric IOL implantation"],"prefix":"10.1007","volume":"262","author":[{"given":"Or","family":"Shmueli","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nur","family":"Azem","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana","family":"Navarrete","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Milka","family":"Matanis-Suidan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ran","family":"David","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hadas","family":"Mechoulam","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6878-0443","authenticated-orcid":false,"given":"Irene","family":"Anteby","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,2,15]]},"reference":[{"key":"6401_CR1","first-page":"227","volume":"79","author":"C Gilbert","year":"2001","unstructured":"Gilbert C, Foster A (2001) Childhood blindness in the context of VISION 2020 - The right to sight. 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