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Combined flanged intrascleral intraocular lens fixation with corneal transplant.

ABSTRACT: Purpose:To report clinical outcomes and surgical technique of flanged intrascleral intraocular lens fixation with double-needle combined with either penetrating keratoplasty (PKP) or ultrathin Descemet-stripping automated endothelial keratoplasty (UT-DSAEK). Observations:Five patients underwent combined flanged intrascleral intraocular lens fixation with double-needle technique and keratoplasty. Three patients underwent triple procedure (open sky intrascleral intraocular lens fixation with double-needle and PKP) secondary to ocular trauma or a failed corneal transplant. Two patients underwent combined UT-DSAEK and intrascleral intraocular lens fixation for pseudophakic bullous keratopathy (PBK) and anterior chamber intraocular lens (AC IOL). Conclusion:Flanged intrascleral intraocular lens fixation with double-needle technique combined with PKP or UT-DSAEK was shown to be a safe and effective method of visual rehabilitation without additional intraoperative complications.

SUBMITTER: Rocha KM

PROVIDER: S-EPMC6247402 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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Combined flanged intrascleral intraocular lens fixation with corneal transplant.

Rocha Karolinne Maia KM Gouvea Larissa L Milliken Cole M CM

American journal of ophthalmology case reports 20181110

<h4>Purpose</h4>To report clinical outcomes and surgical technique of flanged intrascleral intraocular lens fixation with double-needle combined with either penetrating keratoplasty (PKP) or ultrathin Descemet-stripping automated endothelial keratoplasty (UT-DSAEK).<h4>Observations</h4>Five patients underwent combined flanged intrascleral intraocular lens fixation with double-needle technique and keratoplasty. Three patients underwent triple procedure (open sky intrascleral intraocular lens fixa ...[more]

PMID: 30505976

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Comparison of flanged intrascleral intraocular lens fixation versus iris claw intraocular lens fixation: A retrospective study.

Project description:Purpose:To compare the visual outcome and complications of retropupillary fixated iris claw intraocular lens (IOL) and sutureless intrascleral IOL fixation using the flanged fixation technique at 1 year. Methods:In this retrospective study, eyes that underwent either iris claw or flanged SFIOL from January 2016 to July 2017 with a minimum of 1-year follow-up were enrolled. Improvement in visual acuity, intraocular pressure measurements, endothelial cell count, central macular thickness, and complications were compared between and within groups at 6 weeks, 3 months, and 1 year postoperatively. Results:Data from 150 eyes were analyzed (n = 90 in the iris claw group and n = 60 in the flanged SFIOL group). Posterior capsular rent was the most common indication for IOL implantation (n = 51, 34%). The iris claw and SFIOL groups were comparable in terms of demographics and baseline characteristics. There was significant improvement in uncorrected distance visual acuity (UCDVA) at 6 weeks in both groups (P = 0.77), and at 1 year, the UCDVA was comparable between groups (0.36 ± 0.32 in the iris claw group and 0.30 ± 0.28 in the SFIOL, P= 0.75). Transient elevation of intraocular pressure was seen slightly more in eyes with SFIOL (17%), while ovalization of the pupil was the main sequelae seen in the iris claw group (20%). Conclusion:Both iris claw IOL fixation and SFIOL using flange are viable options for surgical correction of aphakia. Visual outcomes are excellent at 6 weeks and are maintained till 1-year follow-up, and complication rates are acceptably low, although ovalization of pupil is common with iris claw IOLs.

| S-EPMC6836613 | biostudies-literature

Intrascleral Fixation of an Intraocular Lens through the Pars Plana Prevents Corneal Endothelial Damage.

Project description:We report two cases of aphakia in whom an intraocular lens (IOL) was intrasclerally fixated through the pars plana to minimize further corneal endothelial damage. A modified lock-and-lead technique was used. A sclerotomy and scleral incision were made 2.5 mm from the limbus. A 24-G catheter needle was used for penetration of the leading haptic, and two ultrathin 30-G needles were used to bury the ends of the haptics. The scleral incision was sutured with 8-0 nylon. Corneal endothelial cells were preserved after surgery. Neither intra- nor postoperative complications were observed. Intrascleral fixation of an IOL through the pars plana effectively minimizes further damage to corneal endothelial cells in select cases.

| S-EPMC6489085 | biostudies-literature

Glued intrascleral haptic fixation of an intraocular lens.

Project description:Glued intrascleral haptic fixation of an intraocular lens (glued IOL) has evolved as a technique with various modifications that are adopted and practiced by several surgeons. With adequate and appropriate haptic tuck, glued IOL imparts a stable IOL fixation and is a secured method of secondary IOL placement with no pseudophacodonesis.

| S-EPMC5742965 | biostudies-literature

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

Project description:We describe a simply modified intrascleral fixation using round flange (SMURF) technique and report the clinical outcomes of the surgery. Forty-one eyes of 41 consecutive patients, with intraocular lens (IOL) dislocation, crystalline lens subluxation, and zonular weakness, who underwent surgery using the SMURF technique were included. The modified technique included the use of a conventional 27-gauge needle, a non-bent needle, oblique sclerotomy, direct threading of the leading haptic, and simple placement of the following haptic. IOLs were successfully placed and showed good centring. There were no cases of wound leakage or hypotony during the early postoperative period. Postoperative complications included vitreous haemorrhage in one eye (2.4%), intraocular pressure elevation in one eye (2.4%), and iris capture in six eyes (14.6%). There were no cases of postoperative retinal detachment, cystoid macular oedema, endophthalmitis, or IOL dislocation during the follow-up period. We proposed a few modifications in the intrascleral flanged technique for IOL fixation. The modified technique is a simple, easy, and minimally invasive procedure for successful IOL intrascleral fixation.

| S-EPMC7886904 | biostudies-literature

Application of a four-flanged intrascleral fixation technique for toric and multifocal intraocular lenses.

Project description:PurposeTo report clinical outcomes of a four-flanged intrascleral fixation technique using toric and multifocal intraocular lens.ObservationsWe describe two cases of premium intraocular lens (IOL) implantation after which the patients fully recovered their visual function following a four-point sutureless scleral fixation technique via a 2.8-mm corneal incision. In the first case, a monofocal toric hydrophobic lens consisting of two haptic plates with four holes for suturing was fixated with 5-0 polypropylene monofilament. In the second case, a bifocal hydrophobic lens with the same haptic design was fixated. No conjunctival or scleral sutures, glue, or flap formation was required during the surgery. There were no complications related to the surgical process.Conclusions and importanceA four-flanged intrascleral fixation technique may benefit patients with poor zonular support who have high expectations for postoperative visual quality.

| S-EPMC7522749 | biostudies-literature

Adjustments of haptics length for tilted intraocular lens after intrascleral fixation.

Project description:PurposeTo report the findings and surgical techniques on two cases of severe tilting of an intraocular lens (IOL) that had been implanted with intrascleral fixation and the tilting was detected by anterior segment optical coherence tomography (AS-OCT).ObservationsTwo patients underwent flanged intrascleral fixation of an IOL with the double needle technique. AS-OCT showed that the tilt of IOL was 25.3° in Case 1 and was 38.1° in Case 2, and a second surgery was planned to reduce the IOL tilt. Both edges of the flanged haptics were externalized and shortened by 2-3 mm. Then, the haptics edges were inserted intrasclerally. The tilt of the IOLs was reduced to 7.7° and 5.7°, and the myopia-shifted refraction was reduced from -2.75 diopters (D) and -4.50 D to -0.13 D and -0.50 D of the approximate planned refraction in the two cases.Conclusions and importanceAn excessive tilt of an intrasclerally fixed IOL can be corrected by shortening the length of the haptics. AS-OCT was useful in not only detecting the tilted IOL but also in monitoring the degree of tilt after adjustment surgery.

| S-EPMC5956722 | biostudies-literature

Sutureless 27-gauge needle-assisted transconjunctival intrascleral intraocular lens fixation: Initial experience.

Project description:The purpose of the study was to report our initial experience with the transconjunctival Intrascleral Intraocular Lens (SFIOL) fixation with modified Yamane's double-needle technique and flanged haptics.This was a prospective interventional study that enrolled 31 consecutive patients undergoing SFIOL with the modified Yamane's technique. All patients underwent comprehensive evaluation including uncorrected and best-corrected vision, intraocular pressure, ultrasound biomicroscopy, endothelial cell density, and macular thickness using optical coherence tomography (OCT). We excluded patients with visually significant coexistent pathology such as corneal scars, macular pathology, and glaucoma.The mean age of subjects was 57 ± 16.9 years and 23 were men (74%). Surgery was performed for aphakia following complicated cataract surgery in 10 eyes (32%), with lensectomy for subluxated/dislocated cataract in 6 eyes (19%), and with IOL explantation for subluxated/dislocated IOL in 15 eyes (48%). There were no intraoperative complications. Uncorrected visual acuity improved from median of 1.48 logarithm of minimum angle of resolution (logMAR) units (interquartile range [IQR] = 1.3-2 logMAR) at baseline to 0.3 logMAR (IQR = 0.2-0.4 logMAR) at 6 weeks (P < 0.001) which was maintained at 6 months. There were no significant changes in endothelial cell density (P = 0.34) and OCT-based macular thickness (P = 0.31) at 6 months. Two eyes had slight IOL decentration.Our initial experience suggests that the Yamane's technique for SFIOL is a simple procedure with a short-learning curve and is independent of scleral flaps, tunnels, sutures, and fibrin glue. Using widely available 27-gauge needle instead of 30-gauge thin wall needle as originally described by Yamane makes it possible for the use of various three-piece IOLs available globally. Further studies are required for widespread acceptance of this technique.

| S-EPMC5742981 | biostudies-literature

The "correct shake" for "handshake" in glued intrascleral fixation of intraocular lens.

Project description:We hereby describe the correct method to perform a "handshake technique" and easy transfer of haptics from one hand to another for glued intrascleral fixation of an intraocular lens (glued IOL). The procedure was implemented in 57 cases that necessitated the application of performing a glued IOL procedure and it resulted in an appropriate and easy externalization of haptic in all the cases. The surgeons' positioning with reference to the scleral flap is an essential component and the surgeon should always be positioned perpendicular to the plane of scleral flaps and the plane of haptic maneuver. The surgeons who intend to perform glued IOL should adopt this technical point.

| S-EPMC5200993 | biostudies-literature

Intrascleral Suture Anchoring: A Flapless/Grooveless Four-Point Intraocular Lens Fixation Technique.

Project description:PurposeWe describe a minimally invasive suture fixation technique for four-point fixation of intraocular lenses (IOLs) in the treatment of aphakic eyes, namely, the intrascleral suture anchoring technique. Neither scleral flaps nor large conjunctival dissections are required.MethodsThis study included 11 eyes (11 patients). After looping the eyelets on the IOL haptics and externalizing the threads, the curved needle attached to the externalized thread was started with two sequential intrascleral passes from the first fixation point to reach the second fixation point. The same procedure was performed for the other side of the IOL. A fixation knot was created in the sclerotomy by the two ends of the thread to close the suture loop for IOL fixation. Another knot was created about 2 to 3 mm from the exiting point and was intrasclerally anchored by the aid of the attached curved needle.ResultsThe mean postoperative follow-up period was 9.7 ± 5.8 months (range 5-15 months). The IOLs of all eyes remained well positioned and stable postoperatively. The postoperative visual acuities were improved. No suture erosion, suture loosening, hypotony, scleral atrophy, chronic inflammation, retinal tear, and/or detachment were observed within the follow-up period.ConclusionThe present technique is an alternative, flapless method for the four-point suture fixation of IOLs. It provides both minimal surgical trauma and reliable stability.

| S-EPMC7727019 | biostudies-literature

A Modified Intrascleral Intraocular Lens Fixation Technique Using 27-Gauge Blunted Needles with Fewer Intraocular Manipulations.

Project description:A new method for intraocular lens (IOL) fixation in the scleral tunnel using two common 27G blunted needles and an ultrathin 30G needle with fewer intraocular manipulations was developed. Half-depth scleral flaps were prepared, and vertically angled sclerotomies were performed under each scleral flap, 2 mm from the limbs with a 20G microblade or a 26G needle. Two bent 27G blunted needles connected the sclerotomy and corneoscleral incisions. One haptic was inserted into this bent 27G blunted needle extraocularly and extruded through the sclerotomy site. Each haptic was inserted into the lumen of the preplaced ultrathin 30G needle and buried into the scleral tunnel. In this retrospective study, we reviewed the outcomes of this new technique in patients with at least 3 months' follow-up data. Iris capture of the IOL was not observed in any case, and IOL repositioning was not performed either. Astigmatism induced by intraocular aberration was almost as same as that with other methods. Our technique can be performed in any operation room without any extra instruments. This trial is registered with UMIN000044350.

| S-EPMC8627344 | biostudies-literature

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