{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T16:39:25Z","timestamp":1740155965635,"version":"3.37.3"},"reference-count":20,"publisher":"Wiley","license":[{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Ophthalmology"],"published-print":{"date-parts":[[2016]]},"abstract":"<jats:p><jats:italic>Purpose<\/jats:italic>. To compare<jats:italic>ab interno<\/jats:italic>and<jats:italic>ab externo<\/jats:italic>scleral fixation of posterior chamber intraocular lenses (PCIOL) using ultrasound biomicroscopy (UBM).<jats:italic>Methods<\/jats:italic>. Randomized patients underwent<jats:italic>ab externo<\/jats:italic>or<jats:italic>ab interno<\/jats:italic>scleral fixation of a PCIOL. Ultrasound biomicroscopy was performed 3 to 6 months postoperatively, to determine PCIOL centration, IOL distance to the iris at 12, 3, 6, and 9 hours, and haptics placement in relation to the ciliary sulcus.<jats:italic>Results<\/jats:italic>. Fifteen patients were enrolled in the study. The<jats:italic>ab externo<\/jats:italic>technique was used in 7 eyes (46.6%) and the<jats:italic>ab interno<\/jats:italic>in 8 eyes (53.3%). In the<jats:italic>ab externo<\/jats:italic>technique, 14 haptics were located: 4 (28.57%) in the ciliary sulcus; 2 (14.28%) anterior to the sulcus; and 8 (57.14%) posterior to the sulcus, 6 in the ciliary body and 2 posterior to the ciliary body. In the<jats:italic>ab interno<\/jats:italic>group, 4 haptics (25.0%) were in the ciliary sulcus, 2 (12.50%) anterior to the sulcus, and 10 (75.0%) posterior to the sulcus, 4 in the ciliary body and 6 posterior to the ciliary body.<jats:italic>Conclusions<\/jats:italic>.<jats:italic>Ab externo<\/jats:italic>and<jats:italic>ab interno<\/jats:italic>scleral fixation techniques presented similar results in haptic placement.<jats:italic>Ab externo<\/jats:italic>technique presented higher vertical tilt when compared to the<jats:italic>ab interno<\/jats:italic>.<\/jats:p>","DOI":"10.1155\/2016\/9375091","type":"journal-article","created":{"date-parts":[[2016,5,18]],"date-time":"2016-05-18T17:01:45Z","timestamp":1463590905000},"page":"1-5","source":"Crossref","is-referenced-by-count":3,"title":["Ultrasound Biomicroscopy Comparison of<i>Ab Interno<\/i>and<i>Ab Externo<\/i>Intraocular Lens Scleral Fixation"],"prefix":"10.1155","volume":"2016","author":[{"given":"Lie","family":"Horiguchi","sequence":"first","affiliation":[{"name":"Department of Ophthalmology, Irmandade da Santa Casa de Miseric\u00f3rdia de S\u00e3o Paulo, S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patricia Novita","family":"Garcia","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology, Irmandade da Santa Casa de Miseric\u00f3rdia de S\u00e3o Paulo, S\u00e3o Paulo, SP, Brazil"},{"name":"Department of Ophthalmology, Federal University of S\u00e3o Paulo, S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gustavo Ricci","family":"Malavazzi","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology, Irmandade da Santa Casa de Miseric\u00f3rdia de S\u00e3o Paulo, S\u00e3o Paulo, SP, Brazil"},{"name":"Department of Ophthalmology, Federal University of S\u00e3o Paulo, S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Norma","family":"Allemann","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology, Federal University of S\u00e3o Paulo, S\u00e3o Paulo, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9120-8872","authenticated-orcid":true,"given":"Rachel L. 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