Effect of Accommodation on Vaulting and Movement of Posterior Chamber Phakic Lenses in Eyes with Implantable Collamer Lenses

Hun Lee, David Sung Yong Kang, Byoung Jin Ha, Moonjung Choi, Eungkweon Kim, KyoungYul Seo, Tae-im Kim

Research output: Contribution to journalArticle

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Abstract

Purpose To investigate and compare vaulting and movement changes during accommodation in eyes with the V4c and V4 implantable collamer lenses (ICL). Design Comparative, observational case series. Methods The medical records of 35 eyes (18 patients) with the V4 ICL and 51 eyes (26 patients) with the V4c ICL were retrospectively examined and included in analyses. Anterior chamber depth (ACD), posterior corneal surface-to-ICL distance (endo-ICL distance), pupil size, and postoperative vaulting were evaluated using the Visante anterior chamber optical coherence tomography system. Images were taken during the nonaccommodative and accommodative states 3 months after ICL implantation. Refractive error, keratometry values, axial length, intraocular pressure, and central corneal thickness were evaluated at 3 months postoperatively. Results ICL vaulting did not significantly change during accommodation in eyes with either the V4 or V4c ICL (P =.532 for V4 ICL and P =.415 for V4c ICL). However, significant reductions in ACD, endo-ICL distance, and pupil size were observed during accommodation in both groups. In eyes with a V4 ICL, the change in [Δ] ACD was 0.2 ± 0.1 mm (P <.001), Δendo-ICL distance was 0.2 ± 0.1 mm (P <.001), and Δpupil size was 0.5 ± 0.9 mm (P =.021). For eyes with the V4c ICL, ΔACD was 0.2 ± 0.2 mm (P <.001), Δendo-ICL distance was 0.2 ± 0.2 mm (P <.001), and Δpupil size was 0.8 ± 1.2 mm (P <.001). The mean reductions of each parameter were not statistically different between eyes with the V4 ICL and the V4c ICL. Conclusions Contrary to the light stimulation response, accommodation does not significantly affect ICL vaulting differently in eyes with either the V4 or V4C ICLs.

Original languageEnglish
Pages (from-to)710-716.e1
JournalAmerican Journal of Ophthalmology
Volume160
Issue number4
DOIs
Publication statusPublished - 2015 Oct 1

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Crystalline Lens
Lenses
Anterior Chamber
Pupil
Refractive Errors
Optical Coherence Tomography

All Science Journal Classification (ASJC) codes

  • Ophthalmology

Cite this

@article{8e10408747be4706a8a1de8e72819dc1,
title = "Effect of Accommodation on Vaulting and Movement of Posterior Chamber Phakic Lenses in Eyes with Implantable Collamer Lenses",
abstract = "Purpose To investigate and compare vaulting and movement changes during accommodation in eyes with the V4c and V4 implantable collamer lenses (ICL). Design Comparative, observational case series. Methods The medical records of 35 eyes (18 patients) with the V4 ICL and 51 eyes (26 patients) with the V4c ICL were retrospectively examined and included in analyses. Anterior chamber depth (ACD), posterior corneal surface-to-ICL distance (endo-ICL distance), pupil size, and postoperative vaulting were evaluated using the Visante anterior chamber optical coherence tomography system. Images were taken during the nonaccommodative and accommodative states 3 months after ICL implantation. Refractive error, keratometry values, axial length, intraocular pressure, and central corneal thickness were evaluated at 3 months postoperatively. Results ICL vaulting did not significantly change during accommodation in eyes with either the V4 or V4c ICL (P =.532 for V4 ICL and P =.415 for V4c ICL). However, significant reductions in ACD, endo-ICL distance, and pupil size were observed during accommodation in both groups. In eyes with a V4 ICL, the change in [Δ] ACD was 0.2 ± 0.1 mm (P <.001), Δendo-ICL distance was 0.2 ± 0.1 mm (P <.001), and Δpupil size was 0.5 ± 0.9 mm (P =.021). For eyes with the V4c ICL, ΔACD was 0.2 ± 0.2 mm (P <.001), Δendo-ICL distance was 0.2 ± 0.2 mm (P <.001), and Δpupil size was 0.8 ± 1.2 mm (P <.001). The mean reductions of each parameter were not statistically different between eyes with the V4 ICL and the V4c ICL. Conclusions Contrary to the light stimulation response, accommodation does not significantly affect ICL vaulting differently in eyes with either the V4 or V4C ICLs.",
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Effect of Accommodation on Vaulting and Movement of Posterior Chamber Phakic Lenses in Eyes with Implantable Collamer Lenses. / Lee, Hun; Kang, David Sung Yong; Ha, Byoung Jin; Choi, Moonjung; Kim, Eungkweon; Seo, KyoungYul; Kim, Tae-im.

In: American Journal of Ophthalmology, Vol. 160, No. 4, 01.10.2015, p. 710-716.e1.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Effect of Accommodation on Vaulting and Movement of Posterior Chamber Phakic Lenses in Eyes with Implantable Collamer Lenses

AU - Lee, Hun

AU - Kang, David Sung Yong

AU - Ha, Byoung Jin

AU - Choi, Moonjung

AU - Kim, Eungkweon

AU - Seo, KyoungYul

AU - Kim, Tae-im

PY - 2015/10/1

Y1 - 2015/10/1

N2 - Purpose To investigate and compare vaulting and movement changes during accommodation in eyes with the V4c and V4 implantable collamer lenses (ICL). Design Comparative, observational case series. Methods The medical records of 35 eyes (18 patients) with the V4 ICL and 51 eyes (26 patients) with the V4c ICL were retrospectively examined and included in analyses. Anterior chamber depth (ACD), posterior corneal surface-to-ICL distance (endo-ICL distance), pupil size, and postoperative vaulting were evaluated using the Visante anterior chamber optical coherence tomography system. Images were taken during the nonaccommodative and accommodative states 3 months after ICL implantation. Refractive error, keratometry values, axial length, intraocular pressure, and central corneal thickness were evaluated at 3 months postoperatively. Results ICL vaulting did not significantly change during accommodation in eyes with either the V4 or V4c ICL (P =.532 for V4 ICL and P =.415 for V4c ICL). However, significant reductions in ACD, endo-ICL distance, and pupil size were observed during accommodation in both groups. In eyes with a V4 ICL, the change in [Δ] ACD was 0.2 ± 0.1 mm (P <.001), Δendo-ICL distance was 0.2 ± 0.1 mm (P <.001), and Δpupil size was 0.5 ± 0.9 mm (P =.021). For eyes with the V4c ICL, ΔACD was 0.2 ± 0.2 mm (P <.001), Δendo-ICL distance was 0.2 ± 0.2 mm (P <.001), and Δpupil size was 0.8 ± 1.2 mm (P <.001). The mean reductions of each parameter were not statistically different between eyes with the V4 ICL and the V4c ICL. Conclusions Contrary to the light stimulation response, accommodation does not significantly affect ICL vaulting differently in eyes with either the V4 or V4C ICLs.

AB - Purpose To investigate and compare vaulting and movement changes during accommodation in eyes with the V4c and V4 implantable collamer lenses (ICL). Design Comparative, observational case series. Methods The medical records of 35 eyes (18 patients) with the V4 ICL and 51 eyes (26 patients) with the V4c ICL were retrospectively examined and included in analyses. Anterior chamber depth (ACD), posterior corneal surface-to-ICL distance (endo-ICL distance), pupil size, and postoperative vaulting were evaluated using the Visante anterior chamber optical coherence tomography system. Images were taken during the nonaccommodative and accommodative states 3 months after ICL implantation. Refractive error, keratometry values, axial length, intraocular pressure, and central corneal thickness were evaluated at 3 months postoperatively. Results ICL vaulting did not significantly change during accommodation in eyes with either the V4 or V4c ICL (P =.532 for V4 ICL and P =.415 for V4c ICL). However, significant reductions in ACD, endo-ICL distance, and pupil size were observed during accommodation in both groups. In eyes with a V4 ICL, the change in [Δ] ACD was 0.2 ± 0.1 mm (P <.001), Δendo-ICL distance was 0.2 ± 0.1 mm (P <.001), and Δpupil size was 0.5 ± 0.9 mm (P =.021). For eyes with the V4c ICL, ΔACD was 0.2 ± 0.2 mm (P <.001), Δendo-ICL distance was 0.2 ± 0.2 mm (P <.001), and Δpupil size was 0.8 ± 1.2 mm (P <.001). The mean reductions of each parameter were not statistically different between eyes with the V4 ICL and the V4c ICL. Conclusions Contrary to the light stimulation response, accommodation does not significantly affect ICL vaulting differently in eyes with either the V4 or V4C ICLs.

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