{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T07:43:30Z","timestamp":1779176610878,"version":"3.51.4"},"reference-count":25,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2024,6,18]],"date-time":"2024-06-18T00:00:00Z","timestamp":1718668800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Diagnostics"],"abstract":"<jats:p>Phacoemulsification is the standard of care in cataract surgery in the developed world, with patients having high expectations regarding visual results. Postoperative dissatisfaction due to negative dysphotopsia (ND) ranges from rare to very frequent; its etiology is unclear, and it affects postoperative satisfaction. Since one of the most frequently used strategies to avoid ND is related to intraocular lens (IOL) haptic orientation, we conducted a prospective interventional study that enrolled 197 patients who underwent standard phacoemulsification. All patients had a one-piece hydrophobic acrylic IOL implanted; in one group, the haptics were placed in any meridional axis except inferotemporal (IT) meridians, and in the other group, the IOL was implanted with the haptics in an IT position. Our results showed no statistically significant differences between groups when analyzing the correlation between the position of IOL haptics and the presence of ND in week one and month one. Also, pupillary diameter showed no statistically significant differences between patients with or without ND. Despite some studies claiming that haptic orientation prevents ND, we found that haptic orientation does not correlate with ND incidence and that ND decreases from day 1 to month 1. Our results support previous findings on the decrease in ND over time and that haptic orientation should not be considered an intraoperative strategy to avoid this unwanted phenomenon.<\/jats:p>","DOI":"10.3390\/diagnostics14121288","type":"journal-article","created":{"date-parts":[[2024,6,19]],"date-time":"2024-06-19T04:21:28Z","timestamp":1718770888000},"page":"1288","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Modified \u201cC\u201d Haptic Intraocular Lens Orientation and Negative Dysphotopsia"],"prefix":"10.3390","volume":"14","author":[{"given":"Valeria","family":"Cuevas-Lozano","sequence":"first","affiliation":[{"name":"Department of Anterior Segment Surgery, Fundaci\u00f3n Hospital Nuestra Se\u00f1ora de la Luz, Mexico City 06030, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5732-9913","authenticated-orcid":false,"given":"Rosario","family":"Gulias-Ca\u00f1izo","sequence":"additional","affiliation":[{"name":"Centro de Investigaci\u00f3n en Ciencias de la Salud, Universidad Anahuac, Mexico City 01840, Mexico"},{"name":"Centro Oftalmol\u00f3gico Mira, Mexico City 06760, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5415-6356","authenticated-orcid":false,"given":"Oscar","family":"Guerrero-Berger","sequence":"additional","affiliation":[{"name":"Department of Anterior Segment Surgery, Fundaci\u00f3n Hospital Nuestra Se\u00f1ora de la Luz, Mexico City 06030, Mexico"},{"name":"Centro Oftalmol\u00f3gico Mira, Mexico City 06760, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,6,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1097\/ICU.0000000000000112","article-title":"Subjective complaints after cataract surgery: Common causes and management strategies","volume":"26","author":"Hood","year":"2015","journal-title":"Curr. 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Surg."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"24","DOI":"10.1167\/iovs.61.5.24","article-title":"Experimental Model of Far Temporal Field Negative Dysphotopsia Generated in Phakic Eyes","volume":"61","author":"Ramasubramanian","year":"2020","journal-title":"Investig. Ophthalmol. Vis. Sci."},{"key":"ref_6","doi-asserted-by":"crossref","unstructured":"Pusnik, A., Petrovski, G., and Lumi, X. (2022). Dysphotopsias or Unwanted Visual Phenomena after Cataract Surgery. Life, 13.","DOI":"10.3390\/life13010053"},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"1786","DOI":"10.4103\/ijo.IJO_3751_20","article-title":"Incidence and causes of negative dysphotopsia after uncomplicated cataract surgery\u2014A randomized clinical trial","volume":"69","author":"Sharma","year":"2021","journal-title":"Indian J. 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Surg."},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"1007","DOI":"10.1097\/j.jcrs.0000000000000206","article-title":"Distinct differences in anterior chamber configuration and peripheral aberrations in negative dysphotopsia","volume":"46","author":"Luyten","year":"2020","journal-title":"J. Cataract. Refract. Surg."},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"209","DOI":"10.1016\/j.jcrs.2017.11.013","article-title":"Effect of supplementary implantation of a sulcus-fixated intraocular lens in patients with negative dysphotopsia","volume":"44","author":"Makhotkina","year":"2018","journal-title":"J. Cataract. Refract. Surg."},{"key":"ref_13","doi-asserted-by":"crossref","unstructured":"Ashena, Z., Maqsood, S., Ahmed, S.N., and Nanavaty, M.A. (2020). Effect of Intraocular Lens Tilt and Decentration on Visual Acuity, Dysphotopsia and Wavefront Aberrations. Vision, 4.","DOI":"10.3390\/vision4030041"},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"e195","DOI":"10.1016\/j.ophtha.2020.08.009","article-title":"Pseudophakic Dysphotopsia: Review of Incidence, Cause, and Treatment of Positive and Negative Dysphotopsia","volume":"128","author":"Masket","year":"2021","journal-title":"Ophthalmology"},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"1702","DOI":"10.1016\/j.jcrs.2016.11.002","article-title":"In-the-bag nasal intraocular lens optic truncation for treatment of negative dysphotopsia","volume":"42","author":"Alapati","year":"2016","journal-title":"J. Cataract. Refract. Surg."},{"key":"ref_16","first-page":"540","article-title":"Supplementary Implantation of 1stQ AddOn((R)) Sulcus-Fixated Intraocular Lens to Treat Negative Dysphotopsia: A Retrospective Case Series","volume":"14","author":"Sallet","year":"2023","journal-title":"Case Rep. 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Surg."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"e743","DOI":"10.1111\/aos.14368","article-title":"Pseudophakic negative dysphotopsia and intraocular lens orientation: A prospective double-masked randomized controlled trial","volume":"98","author":"Manasseh","year":"2020","journal-title":"Acta Ophthalmol."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"28","DOI":"10.1016\/j.ajo.2022.06.018","article-title":"Randomized Controlled Trial of Intraocular Lens Orientation for Dysphotopsia","volume":"243","author":"Pamulapati","year":"2022","journal-title":"Am. J. Ophthalmol."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"2291","DOI":"10.1016\/j.jcrs.2015.09.002","article-title":"Negative dysphotopsia: A perfect storm","volume":"41","author":"Henderson","year":"2015","journal-title":"J. Cataract. Refract. Surg."}],"container-title":["Diagnostics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2075-4418\/14\/12\/1288\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T15:00:43Z","timestamp":1760108443000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2075-4418\/14\/12\/1288"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,6,18]]},"references-count":25,"journal-issue":{"issue":"12","published-online":{"date-parts":[[2024,6]]}},"alternative-id":["diagnostics14121288"],"URL":"https:\/\/doi.org\/10.3390\/diagnostics14121288","relation":{},"ISSN":["2075-4418"],"issn-type":[{"value":"2075-4418","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024,6,18]]}}}