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UBM was used to assess anterior segment parameters, including anterior chamber angle (ACA), anterior chamber depth (ACD), anterior chamber width (ACW), lens vault (LV), and iris thickness (IT). The angle opening distances (AOD) at 500\u00a0\u03bcm (AOD500), and at 750\u00a0\u03bcm (AOD750), the angle recess area (ARA) at 500\u00a0\u03bcm (ARA 500), the trabecular-iris space area at 500 \u03bcm (TISA 500), and at 750 \u03bcm (TISA 750) were measured both temporal and nasal area. The measurements were taken three times, the first time before the Nd: YAG capsulotomy, the second time 1 week after and the third time 1 month after the procedure.<\/jats:p>\n                  <jats:p>\n                    Results: No statistically significant changes were found in intraocular pressure (IOP), central corneal thickness, ACD, ACW, LV, or IT following capsulotomy. However, a significant and sustained increase was observed in angle-related parameters (ACA, AOD500\/750, ARA500, and TISA500\/750) at both 1 week and 1 month post-procedure(\n                    <jats:italic>p<\/jats:italic>\n                    \u2009&lt;\u20090.05 for all). No significant changes were detected between the 1st week and 1st month measurements of angle-related parameters (\n                    <jats:italic>p<\/jats:italic>\n                    \u2009&gt;\u20090.05 for all).\n                  <\/jats:p>\n                  <jats:p>Conclusion: Nd: YAG laser capsulotomy leads to significant widening of anterior chamber angle structures without affecting IOP or ACD. These findings suggest that the procedure is safe and may positively influence aqueous humor dynamics.<\/jats:p>","DOI":"10.1007\/s10103-025-04555-z","type":"journal-article","created":{"date-parts":[[2025,6,25]],"date-time":"2025-06-25T21:27:34Z","timestamp":1750886854000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Anterior segment changes following Nd: YAG laser posterior capsulotomy: a quantitative ultrasound biomicroscopy study"],"prefix":"10.1007","volume":"40","author":[{"given":"Caner","family":"\u00d6zt\u00fcrk","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Selim","family":"Cevher","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mustafa","family":"Duran","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mehmet Bar\u0131\u015f","family":"\u00dc\u00e7er","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"O\u011fuzhan","family":"T\u00f6ng\u00fc\u015f","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,6,26]]},"reference":[{"issue":"6","key":"4555_CR1","doi-asserted-by":"publisher","first-page":"Cd010735","DOI":"10.1002\/14651858.CD010735.pub3","volume":"6","author":"A Narayan","year":"2023","unstructured":"Narayan A, Evans JR, O\u2019Brart D, Bunce C, Gore DM, Day AC (2023) Laser-assisted cataract surgery versus standard ultrasound phacoemulsification cataract surgery. 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