The simply modified intrascleral fixation using round flange (SMURF) technique for intrascleral intraocular lens fixation

Kim, Soa; Kim, Jee Taek

doi:10.1038/s41598-021-81924-y

Cited by 7 publications

(4 citation statements)

References 25 publications

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“…However, the externalization of the trailing haptic in sutureless intrascleral fixation is still the most difficult step and remains a serious concern for surgeons. 7,10 Therefore, in this study, we describe the facilitated trailing haptic externalization technique to simplify this stage and our results showed that this technique significantly simplified intrascleral fixation and eased all surgical difficulties.…”

Section: Discussionmentioning

confidence: 88%

“…Although several difficulties of the Yamane technique have been overcome with this technique, threading the trailing haptic into the lumen of the needle remains the most difficult step of the intrascleral fixation technique. 7 This stage may cause significant intraoperative complications as well as prolonged surgery time. Furthermore, it becomes more complex and difficult in cases with a narrow anterior chamber, small pupil, or corneal opacity.…”

Section: Introductionmentioning

confidence: 99%

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Facilitated trailing haptic externalization technique for intrascleral intraocular lens fixation

Uçar

2022

European Journal of Ophthalmology

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Purpose To describe the facilitated trailing haptic externalization technique for intrascleral intraocular lens (IOL) fixation. Methods In this technique, first the direction of the 4–5 mm tip of the trailing haptic is straightened with the help of forceps. After the second needle enters the posterior chamber, the edge of the IOL optic is pushed towards the opposite scleral tunnel with the needle. The trailing haptic approaching the center from the periphery and the straightened distal part of the haptic towards the direction of the needle facilitate the relatively easily and gently placing of the haptic into the lumen with a one-time use of forceps. Results This technique was performed on 65 eyes of 58 patients, with a mean patient age of 53.0 ± 14.6 years (range, 22–78). No complications such as endothelial touch, vitreous loss, iris or ciliary body damage, and hyphema were encountered during surgery. The mean operation duration was 14.8 ± 2.3 min (range, 12−20). In the postoperative period, there was only mild postoperative anterior chamber reaction in all eyes. Postoperative transient intraocular pressure (IOP) elevation that responded well to topical antiglucomatous therapy was observed in only two cases (3%). No patient developed haptic exposure, IOL dislocation, iris capture, postoperative hypotony, vitreous hemorrhage, choroidal effusion, cystoid macular edema, or retinal detachment. Conclusion The facilitated trailing haptic externalization technique provides a safer, simpler, and minimally invasive surgery without significant complications while easing the surgical difficulties of the Yamane technique.

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Section: Discussionmentioning

confidence: 88%

Section: Introductionmentioning

confidence: 99%

Facilitated trailing haptic externalization technique for intrascleral intraocular lens fixation

Uçar

2022

European Journal of Ophthalmology

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“…Kim modification includes direct threading of leading haptic into lumen that offers an advantage in eyes with inadequate iris support. Also, it avoids iris injury and pigment dispersion by the tip of the haptic 14 .…”

Section: Flapless and Sutureless Intrascleral Fixation Of Posterior C...mentioning

confidence: 99%

Flapless and Sutureless Intrascleral Fixation of Posterior Chamber Intraocular Lens for Correction of Aphakia in Absence Of Capsular Support

Shawky,

El-Khair,

Abdo

et al. 2024

Egyptian Journal of Ophthalmology, (Mansoura Ophthalmic Center)

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Purpose: This study aimed to assess safety and efficacy of flapless and sutureless intrascleral fixation of posterior chamber intraocular lens (PCIOL) (Modified Yamane technique). Patients and methods:This was a prospective, non-comparative, interventional case series study included 20 eyes with aphakia, dislocated IOL, or subluxated crystalline lens who underwent sutureless and flapless implantation of a PCIOL. Results:Our study showed an improvement in uncorrected distance visual acuity (UCDVA) and corrected distance visual acuity (CDVA) that was maintained till the end of follow up period. Mean UCDVA and Mean CDVA improved to 0.4 and 0.3 LogMAR units respectively. Mean spherical equivalent was reduced from 10.4 preoperatively to -0.57 six months postoperatively. Corneal endothelial cell count (ECC) was reduced from 2062 ± 546 cells/mm² preoperatively to 1853 ± 618 cells/mm² 6 months postoperatively. The median IOL-induced astigmatism was -0.75. IOL decentration was noticed in five eyes (25%) and significant IOL tilt was noticed in two eyes (10%). The postoperative complication included transient increase in intraocular pressure (IOP) in five eyes (25%), hypotony and choroidal detachment in one eye (5%), iris capture of lens optic in only one eye (5%), Non buried flange in three eyes (15%), Cystoid macular edema (CME) in one eye (5%). Conclusion:Yamane technique is a safe and effective method for Intrascleral haptic fixation (ISHF) with a new strategy of securing haptics to sclera, by melting haptics to create a flange. It carried out favourable surgical outcome and limited post operative complications.

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“…Penggunaan enzim proteolitik berpotensi melisiskan protein penyusun katarak. Pemilihan 30-gauge needle untuk menginjeksikan proteolitik dan pemasangan Intraocular lens (IOL) hanya membutuhkan insisi kecil sehingga dapat menurunkan angka kejadian komplikasi dan meningkatkan angka visual outcome (Kim & Kim, 2021).…”

Section: Pendahuluanunclassified

In silico Test Proteolytic Potential of Papain and Zingibain Enzymes Against Protein Forming Congenital and Senilis Cataracts

Damai

Cahyana

Aziz

2022

AMS

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Abstract Phacoemulsification is cataract therapy’s gold standard with lowest complication rate and best visual outcome. However, phacoemulsification is expensive and difficult to use widely. Pathogenesis of cataract related to Crystalline P23T γD protein in congenital cataracts and β-amyloid protein in senile cataract. Papain enzymes and zingibain enzymes are cataract’s alternatives therapy with proteolytic effects that potentially lyse these proteins. Proteolytic injection with 30-gauge needle results in small, safe incision. Papain enzyme from Carica Papaya plant and zingibain enzyme from Zingiber Officinale plant which grows plentifully in Indonesia that becomes cheap source of proteolytic. This study’s purpose is to compare probability of binding energy based on Binding Interaction Model (BIM) between papain and zingibain enzymes against Crystalline P23T γD protein and β-amyloid protein with molecular docking. This research uses https://cluspro.bu.edu./login.php. BIM with lowest binding energy has most stable bond. Docking results show interaction probability between papain enzyme and Crystalline P23T γD protein has lowest binding energy of -730.4 kJ/mol at BIM 1. Probability of interaction between papain enzyme and β-amyloid protein has lowest binding energy of -697.2 kJ/mol at BIM 1. Probability of interaction between the enzyme zingibain and the crystalline P23T protein γD has lowest binding energy of -890.5 kJ/mol at BIM 2. Probability of interaction between the enzyme zingibain and the β-amyloid protein has lowest binding energy of -873.5 kJ/mol at BIM 0. It was concluded that the zingibain enzyme has the most stable probability of forming a stable bond to Crystalline P23T γD protein and β-amyloid protein. Keyword:In silico, papain, zingibain, cataract

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The simply modified intrascleral fixation using round flange (SMURF) technique for intrascleral intraocular lens fixation

Cited by 7 publications

References 25 publications

Facilitated trailing haptic externalization technique for intrascleral intraocular lens fixation

Facilitated trailing haptic externalization technique for intrascleral intraocular lens fixation

Flapless and Sutureless Intrascleral Fixation of Posterior Chamber Intraocular Lens for Correction of Aphakia in Absence Of Capsular Support

In silico Test Proteolytic Potential of Papain and Zingibain Enzymes Against Protein Forming Congenital and Senilis Cataracts

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