A critical evaluation of longitudinal changes of astigmatism following implantation of toric implantable collamer lens (TICL): a comparison between treated and untreated cases over 4 years

Bohač, Maja; Biščević, Alma; Gabrić, Ivan; Gabrić, Krešimir; Shijakova, Violeta; Patel, Sudi

doi:10.1007/s00417-021-05449-w

Cited by 5 publications

(3 citation statements)

References 33 publications

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“… 50 , 53 In terms of astigmatism, Bohac et al found that astigmatism changes after 4 years of toric ICL implantation were comparable to changes in untreated spectacle-wearer controls. 54 The mean SE and mean change in SE in recent studies are shown in Table 2 .…”

Section: Resultsmentioning

confidence: 99%

Intraocular Implantable Collamer Lens with a Central Hole Implantation: Safety, Efficacy, and Patient Outcomes

Wannapanich¹,

Kasetsuwan²,

Reinprayoon³

2023

OPTH

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This review summarizes the available literature and provides updates on the efficacy, safety, and patient outcomes of phakic intraocular lens implantation using implantable collamer lens (ICL), with a focus on newer models with a central port (EVO/EVO+ Visian Implantable Collamer Lens, STAAR Surgical Inc.). All studies included in this review were identified from the PubMed database and were reviewed for relevancy of their topic. Data on hole-ICL implantation performed between October 2018 and October 2022 in 3399 eyes showed a weighted average efficacy index of 1.03 and a weighted average safety index of 1.19 within an average follow-up of 24.7 months. The incidence of complications such as elevated intraocular pressure, cataract, and corneal endothelial cell loss was low. Moreover, both quality of vision and quality of life improved after ICL implantation, confirming the benefits of this procedure. In conclusion, ICL implantation is a promising refractive surgery alternative to laser vision correction with excellent efficacy, safety, and patient outcomes.

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Section: Resultsmentioning

confidence: 99%

Intraocular Implantable Collamer Lens with a Central Hole Implantation: Safety, Efficacy, and Patient Outcomes

Wannapanich¹,

Kasetsuwan²,

Reinprayoon³

2023

OPTH

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“…An excessively high vault may cause the ICL to push the iris forward and cause the angle to become narrow or close, causing corneal endothelial damage, severe pupillary block, or even secondary glaucoma [ 19 ]. If the vault is too low, it may lead to the opacity of the lens (model V4 ICL) or rotation of the TICL due to instability and affect corrected vision [ 20 – 22 ]. The IOP is also crucial after ICL implantation.…”

Section: Discussionmentioning

confidence: 99%

Clinical Observation of Posterior-Chamber Phakic Implantable Collamer Lens V4c Implantation in Myopic Patients with Shallow Anterior Chamber Depth: A Retrospective, Consecutive Observational Study

Yuan,

Wu,

et al. 2024

Journal of Ophthalmology

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Purpose. The reference range for the preoperative anterior chamber angle width for ICL surgery is unclear. Our objective was to assess the clinical effect and the range of anterior chamber angle width of posterior-chamber implantable collamer lens V4c (ICL V4c) implantation in patients with anterior chamber depth (ACD) < 2.8 mm. Methods. Patients who underwent ICL V4c implantation with shallow ACD were included in this retrospective study. The patients’ uncorrected and corrected distance visual acuity, angle of trabecular-iris (TIA), angle-opening distance (AOD500), trabecular-iris space area (TISA500), corneal endothelial cell density, vault, retinal nerve fiber layer thickness, intraocular pressure, visual field, and complications were analyzed. Results. Forty-one patients (68 eyes) completed at least 12 months of follow-up (median follow-up, 30 months). The effectiveness and safety indices were 1.09 ± 0.13 and 1.04 ± 0.21, respectively. The preoperative TIA values on the nasal and temporal sides were 39.78 ± 7.68 degree (range, 25.8-65.1 degree) and 41.54 ± 8.03 degree (range, 28.5-63.00 degree). Forty-seven eyes had uncorrected distance visual acuity ≥1.0, and 55 had corrected distance visual acuity ≥1.0 at the last follow-up visit. The TIA, AOD500, and TISA500 on the nasal and temporal sides were significantly reduced compared to those before surgery (all P<0.01); no eye had an angle closure or elevated intraocular pressure. The ICL V4c vault was 290.88 ± 153.36 μm (range, 60.0-880.0 μm). No severe complications occurred in any patient. Conclusions. In patients with myopia with shallow ACD (2.55-2.79 mm), a preoperative TIA >25.8° is safe and effective for a relatively long time after surgery; however, an extended long-term close follow-up is needed.

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“…Visian TICLs showed 87% of patients had rotation of <5 degrees and required no additional intervention over 12 months [15]. Another study found that after four years, 59.6% had residual astigmatism of -0.75D in EVO TICL, a similar finding in general spectacle wearers [17]. The cause of this slight increase in residual astigmatism was contributed to a mismatch of TICL axis, rather than a mismatch of SICA and target induced astigmatism (TIA).…”

Section: Toric Phakic Intraocular Lensesmentioning

confidence: 90%

Phakic intraocular lenses: an update and review for the treatment of myopia and myopic astigmatism in the United States

Moshirfar

Webster

Ronquillo

2022

Current Opinion in Ophthalmology

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Purpose of reviewTo review all phakic intraocular lenses (pIOLs) available in the United States for the correction of myopia or myopic astigmatism and offer a clinical approach to their proper use, postoperative follow-up, and analysis of visual and adverse outcomes. Recent findingsIn March 2022, the FDA approved the EVO/EVOþ Visian ICL for widespread use, adding this lens to the two others available (Verisyse, Visian ICL). Cataract formation, endothelial cell loss (ECL) and surgical reintervention remain the most common adverse events. There are discrepancies between studies on ECL following implantation with pIOLs, although trends can be deduced with meta-analysis. Posterior Chamber-pIOLs (PC-pIOLs), especially the EVO/EVOþ, have an overall lower mean adverse effect and subjective patient symptom profile when compared to Iris Fixated-pIOLS (IF-pIOLs). Advancements in PC-pIOL sizing have provided a noticeable difference in visual and safety outcomes.

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A critical evaluation of longitudinal changes of astigmatism following implantation of toric implantable collamer lens (TICL): a comparison between treated and untreated cases over 4 years

Cited by 5 publications

References 33 publications

Intraocular Implantable Collamer Lens with a Central Hole Implantation: Safety, Efficacy, and Patient Outcomes

Intraocular Implantable Collamer Lens with a Central Hole Implantation: Safety, Efficacy, and Patient Outcomes

Clinical Observation of Posterior-Chamber Phakic Implantable Collamer Lens V4c Implantation in Myopic Patients with Shallow Anterior Chamber Depth: A Retrospective, Consecutive Observational Study

Phakic intraocular lenses: an update and review for the treatment of myopia and myopic astigmatism in the United States

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