The novel haptic-twist method for a sutureless double-needle intrascleral haptic fixation technique

Erakgün, Tansu; Gobeka, Hamıdu Hamısı

doi:10.1007/s10792-021-01862-6

Int Ophthalmol

2021

DOI: 10.1007/s10792-021-01862-6

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The novel haptic-twist method for a sutureless double-needle intrascleral haptic fixation technique

Tansu Erakgün

Hamıdu Hamısı Gobeka

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2022

2024

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Cited by 3 publications

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“…The Yamane technique has gained popularity as it has advantages, including eliminating the need for sutures, glue, and scleral or conjunctival dissection with minimal surgical trauma, good IOL stabilization and a relatively shorter operation time 8 .…”

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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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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“…[1][2][3][4] Some modifications of the original approach have been described. [5][6][7] The essential steps of the technique are the formation of a precise needle-made trans-scleral tunnel, haptic-to-needle docking, haptic externalization, and haptic flanging with heat. To attain optimal positioning and stability of the IOL, the scleral tunnel should be tight and the flange should wedge into the tunnel entry.…”

mentioning

confidence: 99%

Size variability and fitting of 30-gauge thin-wall needles and 3-piece intraocular lens haptics for the flanged intrascleral fixation technique

Pukl

Kronschläger

Ruiss

et al. 2023

J Cataract Refract Surg

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Purpose: To assess the diameter of different 30-gauge thin-wall needles and 3-piece intraocular lens (IOL) haptics readily used for the flanged-haptic intrascleral fixation technique. Setting: Hanusch Hospital, Vienna, Austria. Design: Laboratory investigation. Methods: 5 30-gauge thin-wall needles and 5 3-piece IOLs were assessed. An upright light microscopy was used for measurements. The inner and outer diameters of the needles and the end thickness of the haptics were analyzed and compared for haptic fitting into the needle. Results: Among the needles, the inner diameter of the T-lab needle was significantly wider compared with all the others (mean 209.3 ± 8.0 μm, P < .001), followed by TSK (194.8 ± 5.0 μm), MST (194.7 ± 5.8 μm), Sterimedix (187.5 ± 9.0 μm) and significantly narrower Meso-relle (mean 178.7 ± 7.0 μm, P < .05). The outer diameter of the T-lab needle was significantly larger of all (mean 316.0 ± 2.0 μm, P < .001). Concerning the IOLs, the AvanseePreset Kowa's haptic was significantly thinner (mean 127.2 ± 0.7 μm) than all the others, such as the TecnisZA900 Johnson & Johnson (143.5 ± 3.1 μm), the CTLucia202 Zeiss (143.8 ± 1.3 μm), and the AcrysofMA60AC Alcon (143.9 ± 1.4 μm). The only haptic that was thicker than all the others assessed was that of SensarAR40 Johnson & Johnson (170.7 ± 1.7 μm, P < .001). Conclusions: Most of the analyzed haptics would fit into most of the measured needles, with the exception of the Sensar AR40 in combination with the Meso-relle or Sterimedix needles. The combination of a larger needle lumen and a thinner haptic could result in more ease of insertion during surgery. If the dimensions of the needle and IOL haptics used are unknown, we recommend trying insertion before beginning surgery.

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The Technique of Phacoemulsification and Intraocular Lens Implantation in Subluxated Cataract Surgery

Jiang

2022

Stem Cells International

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The purpose of this study was to investigate the effectiveness and practicability of phacoemulsification and intraocular lens implantation for subluxated cataracts. A retrospective review of subluxated cataract surgeries of 19 eyes performed in Kunhua Hospital Affiliated with Kunming University of Science and Technology between January 2017 and June 2021 was conducted. We choose to use the rotate-and-chop phacoemulsification techniques described when the crystal nucleus is rotated out of the capsular bag and simultaneously perform horizontal chops over the capsule. The viscoelastic agent was the important material that filled the capsule to support the capsular bag, and capsular hooks were used in 10 eyes necessarily. Anterior vitrectomy was undergone in 15 eyes. Single-piece intraocular lenses (IOL) were implanted in the capsular bag in 12 eyes including 8 capsular tension ring (CTR) implantation. Three-piece IOLs were fixed scleral layer in 7 eyes. Follow-up was 6 months to 2 years, and all eyes were successfully implanted with centered IOL. The best corrected visual acuity (BCVA) increased from 0.06 ± 0.04 to 0.62 ± 0.15 . The cornea of all patients was clear, the intraocular lens was centered, the pupil was round, and the intraocular pressure was normal. Subluxated cataracts are a challenging surgery. The technique of phacoemulsification in subluxated cataract surgery is a key procedure to rotate and remove the lens from the capsule and at the same time horizontal chops and emulsification over the capsular bag to be performed. Viscoelastic agents and capsular hooks were important choices to support the capsule to reduce the incidence of complications related to the vitreous and retina and prevent the range enlarging of the zonular dialysis. A capsular tension ring was also an effective device to maintain capsular stability. Double-needle-guided scleral interlamellar fixation is an effective and practical method for IOL. Overall, the incision technique explored in this study and the surgical technique to support capsular stabilization provide a safe approach and satisfactory results in cataract surgery for subluxation.

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The novel haptic-twist method for a sutureless double-needle intrascleral haptic fixation technique

Cited by 3 publications

References 23 publications

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

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

Size variability and fitting of 30-gauge thin-wall needles and 3-piece intraocular lens haptics for the flanged intrascleral fixation technique

The Technique of Phacoemulsification and Intraocular Lens Implantation in Subluxated Cataract Surgery

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