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Intraocular lens scaffold pupilloplasty: A novel technique for pupilloplasty in phakic eyes.

ABSTRACT: Numerous techniques of pupilloplasty have been described to restore iris anatomy. However limitations arise in phakic eyes due to the propensity for crystalline lens damage. We describe a novel technique for pupilloplasty in phakic eyes, wherein a plate haptic intraocular lens or phakic intraocular lens provides a scaffold and protects the anterior crystalline lens from subsequent surgical manoeuvres. The technique is demonstrated in a 24-year-old male who presented four months following blunt trauma to his left eye, with complaints of glare and difficulty in near activities secondary to traumatic mydriasis. The use of an intraocular lens scaffold allowed successful pupilloplasty without iatrogenic tissue trauma or subsequent crystalline lens opacification up to one-year follow-up. Our technique affords a safe pupillary repair without damage to the clear crystalline lens or the need for a concomitant lens extraction.

SUBMITTER: Sachdev MS

PROVIDER: S-EPMC7942087 | biostudies-literature | 2021 Mar

REPOSITORIES: biostudies-literature

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Intraocular lens scaffold pupilloplasty: A novel technique for pupilloplasty in phakic eyes.

Sachdev Mahipal S MS Narula Ritesh R Sudhamala Nirmala N Sachdev Gitansha S GS

Indian journal of ophthalmology 20210301 3

Numerous techniques of pupilloplasty have been described to restore iris anatomy. However limitations arise in phakic eyes due to the propensity for crystalline lens damage. We describe a novel technique for pupilloplasty in phakic eyes, wherein a plate haptic intraocular lens or phakic intraocular lens provides a scaffold and protects the anterior crystalline lens from subsequent surgical manoeuvres. The technique is demonstrated in a 24-year-old male who presented four months following blunt t ...[more]

PMID: 33595519

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Project description:Purpose:To assess the efficacy and safety of a novel ophthalmic viscosurgical device-free (OVD-free) method for posterior chamber phakic intraocular lens (PIOL) implantation in myopic eyes. Methods:In this retrospective cohort study, the medical records of myopic eyes that underwent PIOL (Implantable Collamer Lens, ICL) implantation for myopia correction at the Eye Hospital of Wenzhou Medical University between May 2015 and March 2017 were reviewed. A total of 49 eyes with complete data that met follow up requirements (2?h, 1?day, 1?week, 3?months postoperatively) were recruited. Based on the surgical techniques used, the eyes were divided into the OVD-free method group and the standard method group. The clinical data, including intraocular pressure (IOP), corrected distance visual acuity (CDVA) and spherical equivalent (SE), at each follow-up were collected for comparison. Endothelial cell loss and complications were also investigated. Results:Twenty-one eyes received the standard method, and 28 eyes received the OVD-free method. A rise in IOP >?22?mmHg at 2?h was noted in 14 eyes (66.7%) in the standard group and none (0%) in the OVD-free group (p?<?0.001). The rise in IOP from baseline was significantly higher at 2?h in the standard group (10.5?±?5.2?mmHg vs. 2.2?±?3.3?mmHg, difference: 8.3, 95% CI 5.8 to 10.8; p <?0.001). There was a significant difference in the time course of LogMAR CDVA changes between the two groups (p?=?0.047). The LogMAR CDVA was significantly better in the OVD-free method group compared to the standard group at 1?day (-?0.076, 95% CI -?0.134 to -?0.018; p?=?0.012), 1?week (-?0.071, 95% CI -?0.135 to -?0.007; p?=?0.03), but not at 3?months (-?0.046, 95% CI -?0.107 to 0.015; p?=?0.134). There was no significant difference in the time course of SE changes between the two groups (p?=?0.471; p?=?0.705). In the OVD-free group, mean endothelial cell loss was 4.6% at 3?months (2522?±?281 vs. 2407?±?226 cells/mm2, difference: -115, 95% CI -?295 to 65; p?=?0.187). No complications were reported in both groups except for the early IOP elevation in the standard group during the observation period. Conclusions:The OVD-free method is safe and efficient for ICL implantation. It can be a safer method of ICL implantation compared to the standard method in that it completely eliminates ophthalmic viscoelastic devices-related complications without causing additional complications.

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Intraocular lens scaffold pupilloplasty: A novel technique for pupilloplasty in phakic eyes.

Publications

Intraocular lens scaffold pupilloplasty: A novel technique for pupilloplasty in phakic eyes.

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