Incidence of cataract following implantation of a posterior-chamber phakic lens ICL (Implantable Collamer Lens) – long-term results

Kód výsledku v IS VaVaI

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Výsledek na webu

<a href="http://www.cs-ophthalmology.cz/uploaded/365.pdf" target="_blank" >http://www.cs-ophthalmology.cz/uploaded/365.pdf</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Incidence of cataract following implantation of a posterior-chamber phakic lens ICL (Implantable Collamer Lens) – long-term results

Popis výsledku v původním jazyce

Aim: To evaluate late postoperative complications, especially cataract occurrence, its morphological type and factors affecting its development in patients implanted with ICL (Implantable Collamer Lens). Methods: We analysed results of ICL implantation in 34 patients (type ICM V4 for myopia, ICH V3 for hyperopia, TICM V4 for astigmatism) in our department between 1998 and 2013. It comprised 62 eyes (40 myopic and 22 hyperopic). Seven eyes with toric ICL implanted were included into these groups according to spherical equivalent (SE). The average follow-up period was 10.5 ± 3.5 years. We examined: uncorrected and best-corrected visual acuity (UCVA and BCVA), SE, ICL vaulting (using anterior segment OCT) and occurrence of late postoperative complications, especially cataract formation in 2 groups of patients – myopes and hyperopes. Results: Among the most common late postoperative complications were pigment dispersion in 27 eyes, 43,5% (12 myopic eyes and 15 hyperopic eyes) and cataract formation. Lens opacities occurrence, including opacities without loss of BCVA, was observed in 18 eyes (29%). Opacities affecting visual acuity were observed in 10 eyes (16,1%). Cataract significantly affecting visual acuity occurred in 7 eyes, i.e. 11,3%, (in 5 myopic eyes and 2 hyperopic eyes). In these eyes, ICL removal and cataract surgery with implantation of posterior chamber intraocular lens (PC IOL) was performed. The most common morphological type of cataract were anterior subcapsular opacities (83.3%), the average time of onset was 3.4 ± 1.9 years after ICL implantation. We did not prove statistically significant association neither between cataract occurrence and age at the time of surgery, nor between cataract occurrence and higher preoperative spherical equivalent. We did not prove significant association between cataract occurrence and low vault, however in 7 eyes after cataract surgery and ICL removal we do not know the vault values. In one eye uveitis with cystoid macular oedema was observed, in two highly myopic eyes repeated ICL dislocation and cataract occurred. In both of these cases ICL was removed. Conclusions: According to our experience, implantation of ICL in moderate and high ametropia was relatively safe when assessing long-term outcomes. Among the most common complications were pigment dispersion and anterior subcapsular cataract formation. Cataract can be managed effectively surgically with good refractive outcomes without loss of BCVA. However loss of accommodation after cataract surgery and risk of vitreoretinal complications must be considered.

Název v anglickém jazyce

Incidence of cataract following implantation of a posterior-chamber phakic lens ICL (Implantable Collamer Lens) – long-term results

Popis výsledku anglicky

Aim: To evaluate late postoperative complications, especially cataract occurrence, its morphological type and factors affecting its development in patients implanted with ICL (Implantable Collamer Lens). Methods: We analysed results of ICL implantation in 34 patients (type ICM V4 for myopia, ICH V3 for hyperopia, TICM V4 for astigmatism) in our department between 1998 and 2013. It comprised 62 eyes (40 myopic and 22 hyperopic). Seven eyes with toric ICL implanted were included into these groups according to spherical equivalent (SE). The average follow-up period was 10.5 ± 3.5 years. We examined: uncorrected and best-corrected visual acuity (UCVA and BCVA), SE, ICL vaulting (using anterior segment OCT) and occurrence of late postoperative complications, especially cataract formation in 2 groups of patients – myopes and hyperopes. Results: Among the most common late postoperative complications were pigment dispersion in 27 eyes, 43,5% (12 myopic eyes and 15 hyperopic eyes) and cataract formation. Lens opacities occurrence, including opacities without loss of BCVA, was observed in 18 eyes (29%). Opacities affecting visual acuity were observed in 10 eyes (16,1%). Cataract significantly affecting visual acuity occurred in 7 eyes, i.e. 11,3%, (in 5 myopic eyes and 2 hyperopic eyes). In these eyes, ICL removal and cataract surgery with implantation of posterior chamber intraocular lens (PC IOL) was performed. The most common morphological type of cataract were anterior subcapsular opacities (83.3%), the average time of onset was 3.4 ± 1.9 years after ICL implantation. We did not prove statistically significant association neither between cataract occurrence and age at the time of surgery, nor between cataract occurrence and higher preoperative spherical equivalent. We did not prove significant association between cataract occurrence and low vault, however in 7 eyes after cataract surgery and ICL removal we do not know the vault values. In one eye uveitis with cystoid macular oedema was observed, in two highly myopic eyes repeated ICL dislocation and cataract occurred. In both of these cases ICL was removed. Conclusions: According to our experience, implantation of ICL in moderate and high ametropia was relatively safe when assessing long-term outcomes. Among the most common complications were pigment dispersion and anterior subcapsular cataract formation. Cataract can be managed effectively surgically with good refractive outcomes without loss of BCVA. However loss of accommodation after cataract surgery and risk of vitreoretinal complications must be considered.

Druh

J_ost - Ostatní články v recenzovaných periodicích

CEP obor

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OECD FORD obor

30207 - Ophthalmology

Projekt

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Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Česká a slovenská oftalmologie (Czech and Slovak Ophthalmology)

ISSN

1211-9059

e-ISSN

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Svazek periodika

73

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

7

Strana od-do

87-93

Kód UT WoS článku

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EID výsledku v databázi Scopus

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