{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,13]],"date-time":"2026-08-13T19:30:54Z","timestamp":1786649454604,"version":"build-2736575974"},"reference-count":50,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"Suppl 5","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2024,11]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>\n                      To estimate the pupil size (at the iris plane) under photopic (P\n                      <jats:sub>PH<\/jats:sub>\n                      ) and scotopic (P\n                      <jats:sub>S<\/jats:sub>\n                      ) conditions after phacoemulsification with intraocular lens (IOL) implantation.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods: This retrospective observational cohort study included<\/jats:title>\n                    <jats:p>\n                      190 virgin eyes from 190 patients who underwent cataract surgery with IOL implantation. Data collected with Aladdin (Topcon), AS-OCT MS-39 (CSO), and iTrace (Tracey) were SimK, mean pupillary power at 6 mm (MPP), anterior chamber depth (ACD), lens thickness (LT), axial length (AL), lens rise (LR), P\n                      <jats:sub>PH<\/jats:sub>\n                      and P\n                      <jats:sub>S<\/jats:sub>\n                      before and after surgery at 30 days, dysfunctional lens index, and opacity grade. The position of the postoperative iris plane (PIP) was measured manually with MS-39, and a multivariate regression formula was developed to predict it. Statistical analysis was performed using Statistical Package for Social Science (SPSS) (IBM).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      The mean and standard deviations were 42.61 \u00b1 3.20 D for MMP at 6 mm, 3.35 \u00b1 0.37 mm for ACD, 3.89 \u00b1 0.18 mm for PIP (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.01), 4.55 \u00b1 0.42 mm for LT, 0.43 \u00b1 0.24 mm for LR, and 25.91 \u00b1 3.03 mm for AL. The mean preoperative and postoperative topographic pupil magnification was 12% and 14.22%, respectively (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.01). Despite an increase in magnification, the postoperative pupil was smaller than the preoperative one both for scotopic and photopic conditions: The larger the preoperative pupil, the more it tends to reduce in the postoperative period.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Analysis of the preoperative topographic pupil alone is not sufficient for a correct indication of the optical zone and total diameter of IOL to be implanted but must be correlated with biometric data. The topographic pupil, therefore, undergoes a change in magnification from the preoperative period to the postoperative period. Furthermore, the real pupil presents a modification and, in most cases, tends to be smaller postoperatively in both photopic and scotopic conditions.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/ijo.ijo_544_24","type":"journal-article","created":{"date-parts":[[2024,8,28]],"date-time":"2024-08-28T10:35:33Z","timestamp":1724841333000},"page":"S831-S837","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":1,"title":["Estimation of pupil size at iris plane and its magnification after cataract surgery"],"prefix":"10.4103","volume":"72","author":[{"given":"Umberto","family":"Camellin","sequence":"first","affiliation":[{"name":"Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Massimo","family":"Camellin","sequence":"additional","affiliation":[{"name":"Sekal Microchirurgia Rovigo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marcello","family":"Prantera","sequence":"additional","affiliation":[{"name":"Ophthalmology Unit \u2018G. Romeo\u2019, \u2018Fogliani\u2019 Hospital of Milazzo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roberta","family":"Di Pietro","sequence":"additional","affiliation":[{"name":"Sekal Microchirurgia Rovigo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francesca","family":"Ponzetto","sequence":"additional","affiliation":[{"name":"Sekal Microchirurgia Rovigo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pasquale","family":"Aragona","sequence":"additional","affiliation":[{"name":"Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2024,8,14]]},"reference":[{"key":"R1-20260426","doi-asserted-by":"crossref","first-page":"121","DOI":"10.1007\/s10792-022-02394-3","article-title":"Distribution of angle lambda and pupil offset as measured by combined Placido 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