Toric Iris Claw Lens Implantation for Keratoconic Eyes

2012 ◽  
Vol 06 (02) ◽  
pp. 115
Author(s):  
Jose Luis Güell ◽  
Diego Aristizábal Montes ◽  
◽  
Keyword(s):  
Visual Acuity ◽  
Patient Satisfaction ◽  
Effective Treatment ◽  
Refractive Error ◽  
Refractive Surgery ◽  
Unexpected Finding ◽  
Lens Implantation ◽  
Iris Claw Lens ◽  
Iris Claw

Keratoconus and other ectatic disorders can be an unexpected finding in patients seeking refractive surgery. In this group of patients, refractive laser corneal procedures are in many cases contraindicated as they may worsen the disease. Implantation of toric phakic iris claw lenses is a safe and effective treatment in patients with stable keratoconus. Good results in terms of visual acuity, post-operative residual refractive error and patient satisfaction can be achieved.

scholarly journals Sutureless retropupillary iris claw intraocular lens implantation is a viable option in aphakic patients

2019 ◽  
Vol 7 (1) ◽  
pp. 350
Author(s):  
Neepa R. Gohil ◽  
Sandeep Kumar Yadav ◽  
Kaumudi Shinde
Keyword(s):  
Visual Acuity ◽  
Intraocular Lens ◽  
Visual Outcome ◽  
Good Alternative ◽  
Intraocular Lenses ◽  
Intraocular Lens Implantation ◽  
Visual Rehabilitation ◽  
Lens Implantation ◽  
Iris Claw Lens ◽  
Iris Claw

Visual rehabilitation in aphakia has been a challenge with a wide variety of surgical options available for ophthalmologist. We report the visual outcome with retropupillary iris claw lens secondary to intra operative complications and secondary implantation in aphakia. An interventional study on 4 eyes of 4 patients was conducted. Preoperative visual acuity, slit lamp examination and fundus examination were carried out. Anterior vitrectomy and retropupillary fixation of iris claw lens were done. The primary outcome measure was best-corrected visual acuity and secondary postoperative complication was recorded at various intervals. All patients had visual acuity of ≥6/18 postoperatively. Sutureless retropupillary iris claw intraocular lens implantation is a good alternative of scleral-fixated intraocular lenses in aphakic patients.

scholarly journals Secondary Sutureless Posterior Chamber Lens Implantation with Two Specifically Designed IOLs: Iris Claw Lens versus Sutureless Trans-Scleral Plugs Fixated Lens

2021 ◽  
Vol 10 (10) ◽  
pp. 2216
Author(s):  
Daniel Seknazi ◽  
Donato Colantuono ◽  
Rachid Tahiri ◽  
Francesca Amoroso ◽  
Alexandra Miere ◽  
...  
Keyword(s):  
Visual Acuity ◽  
Refractive Error ◽  
Posterior Chamber ◽  
Secondary Implantation ◽  
Department Of Ophthalmology ◽  
Induced Astigmatism ◽  
Group 2 ◽  
Iris Claw Lens ◽  
Iris Claw ◽  
Group 1

Background. The management of patients with aphakia and/or lack of capsular support remains debated. The sutureless posterior chamber IOL (PCIOL) fixation is a very useful surgical option. The purpose of the study was to compare the early outcomes as well as post-operative best corrected visual acuity, refractive errors and complications of two different techniques of sutureless PCIOL secondary implantation. Methods. Patients who underwent secondary implantation from December 2019 to January 2021 in the Department of Ophthalmology of Creteil Hospital, and in the Granville Ophthalmology Center, were retrospectively included. Eyes implanted with the iris claw lens (Artisan Aphakia IOL model 205, Ophtec BV, Groningen, The Netherlands) were included in group 1, and eyes implanted with a newly developed sutureless trans-scleral plugs fixated lens (STSPFL, Carlevale lens, Soleko, Pontecorvo, Italy) were included in group 2. Results. Twenty-two eyes of 22 patients were enrolled in group 1, and twenty eyes of 20 patients in group 2. No difference was found in visual acuity between two groups (0.35 +/− 0.29 logmar for group 1 and 0.23 +/− 0.51 logmar for group 2) (p = 0.15) at mean post-operative follow up (6.19 +/− 3.44 months for group 1 and 6.42 +/− 3.96 months for group 2) (p = 0.13). Both the mean refractive error (MRE) and induced astigmatism (IA) were greater in group 1 compared to group 2, respectively: the MRE was 0.99 +/− 0.57 vs. 0.46 +/− 0.36 (p < 0.01), and IA was 1.72 +/− 0.96 vs. 0.72 +/− 0.52 (p < 0.01). Conclusions. No significant differences in terms of the recovery of visual acuity were found between the two groups. Group 2 (STPFL) gives better results in our sample due to less post-operative induced astigmatism and less refractive error.

scholarly journals Novel technique of explantation of rigid phakic iris-claw lens and cataract extraction by sutureless manual small-incision surgery

2019 ◽  
Vol 12 (12) ◽  
pp. e233128
Author(s):  
Prateek Agarwal ◽  
Samuel Edward Navon ◽  
Neha Mithal
Keyword(s):  
Visual Acuity ◽  
Cataract Extraction ◽  
Blurred Vision ◽  
Novel Technique ◽  
Small Incision ◽  
Complicated Cataract ◽  
Uncorrected Visual Acuity ◽  
Lens Surgery ◽  
Iris Claw Lens ◽  
Iris Claw

A 38-year-old patient presented to us with complaints of blurred vision and photophobia in the left eye with an uncorrected visual acuity of 20/400, improving to 20/60 with pinhole. The patient underwent phakic iris-claw lens surgery 15 years ago for high myopia. On examination, there was anterior chamber rigid phakic iris-claw lens along with complicated cataract. We planned for sutureless self-sealing 6.5 mm sclerocorneal tunnel for explantation of rigid phakic iris-claw lens along with cataract extraction with irrigating vectis. There was postoperative reduction in astigmatism due to incision planned on steep axis, and visual acuity improved to 20/30 uncorrected. This technique provides significant advantages from the previously described techniques in terms of decreased postop astigmatism, no need for sutures, no issues of chamber instability and iris trauma and without the need for phacoemulsification.

Comparison of visual acuity in primary and secondary iris claw implantation in western Maharashtra

2021 ◽  
Vol 7 (2) ◽  
pp. 442-447
Author(s):  
Divya Motwani ◽  
Rupali Maheshgauri ◽  
Prachi Bakare ◽  
Deepaswi Bhavsar ◽  
Sucheta Kaul ◽  
...  
Keyword(s):  
Visual Acuity ◽  
Cataract Surgery ◽  
Financial Burden ◽  
Tertiary Care ◽  
Visual Outcome ◽  
Tertiary Care Centre ◽  
Significant Difference ◽  
Patient Will ◽  
Iris Claw Lens ◽  
Iris Claw

A potential complication of cataract surgery is posterior capsular rent, where PCIOL can’t be implanted. Primary Iris claw implantation means that the IC-IOL is implanted in the same setting after cataract removal. While secondary Iris claw lens implant is done in an aphakic eye without capsular support and post cataract surgeries when the eye is left aphakic. To compare the visual outcome in cases of primary and secondary iris claw lens implantation after cataract surgery.This was a hospital-based Prospective Interventional Longitudinal study,conducted on patients in a tertiary care centre, in Western Maharashtra from September 2018 to August 2020. 31 eyes underwent primary iris claw implant and 19 underwent secondary iris claw implant. Highly significant difference in visual acuity preoperatively due aphakia among subjects who underwent secondary iris claw implantation (p=0.000) was seen. Highly significant difference in visual acuity post operatively till 15 days was also seen due to less corneal oedema& inflammation in patients who underwent secondary iris claw implantation. No significant difference in visual acuity was seen on day 40 as lens was put in both the groups and the signs of inflammation had reduced (p=0.759).Overall visual outcome after 40 days is comparable in primary and secondary cases. It is better to do a primary retro fixated iris claw implantation, as in case of a secondary implant the patient will have undue anxiety, to undergo a second surgery along with increased financial burden and patient can develop complications due to aphakia.

scholarly journals Implantable collamer lens with a central hole for residual refractive error correction after corneal refractive surgery

2019 ◽  
Author(s):  
Zhang Jing ◽  
Zhenzhen Zhang ◽  
Zhu Yi ◽  
DongQin Zhu ◽  
Fan Xianqun
Keyword(s):  
Visual Acuity ◽  
Error Correction ◽  
Refractive Error ◽  
Refractive Surgery ◽  
Cutoff Frequency ◽  
Strehl Ratio ◽  
Implantable Collamer Lens ◽  
Corneal Refractive Surgery ◽  
Icl V4c ◽  
The Mean

Abstract PURPOSE: To assess the visual and refractive outcomes of an implantable collamer lens with a central hole (ICL V4c) for residual refractive error correction after corneal refractive surgery in individuals with myopia. DESIGN: Prospective, nonrandomized observational case series (self-controlled). METHODS: We investigated 16 eyes of eight consecutive patients with myopia undergoing ICL V4c implantation after corneal refractive surgery. The uncorrected visual acuity (UCVA) and best-corrected visual acuity (BCVA) were examined before surgery and 1 month, 3 months, and 6 months after surgery. We quantitatively assessed the postoperative values of the modulation transfer function (MTF) cutoff frequency, Strehl ratio, objective scattering index (OSI), and OQAS values (OVs) by using an Optical Quality Analysis System. RESULTS: At 6 months after surgery, the mean uncorrected logMAR VA was 0.06 ± 0.10, and the values had improved in 100% of the eyes. The mean MTF cutoff frequency, Strehl ratio, OSI, OV 100%, OV 20%, and OV 9%, were 31.29 ± 4.32 cycles/degree (c/d), 0.18 ± 0.04, 1.469 ± 0.47, 0.97 ± 0.26, 0.75 ± 0.29, and 0.51 ± 0.23 at 6 months after ICL V4c implantation, respectively. CONCLUSION: ICL V4c implantation was safe and effective for the correction of residual refractive error after corneal refractive surgeries, and it had excellent optical performance.

scholarly journals Dislocated Intraocular Lens Extraction and Iris-Claw Lens Implantation in Vitrectomized and Non-vitrectomized Eyes

2019 ◽  
Vol 49 (5) ◽  
pp. 277-282
Author(s):  
M. Giray Ersöz ◽  
Mümin Hocaoğlu ◽  
Işıl Bahar Sayman Muslubaş ◽  
Serra Arf ◽  
Murat Karaçorlu
Keyword(s):  
Intraocular Lens ◽  
Lens Extraction ◽  
Lens Implantation ◽  
Iris Claw Lens ◽  
Iris Claw
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