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01-08-2020 | Laser | Original Paper

Anterior chamber angle width, central vault and intraocular pressure changes after 12 months of Visian collamer lens implantation

Authors: José-María Sánchez-González, Federico Alonso-Aliste, Gracia Perea-Peña, Rahul Rachwani-Anil, Rafael Márquez-de-Aracena-del-Cid, Carlos Rocha-de-Lossada

Published in: International Ophthalmology | Issue 8/2020

Abstract

Purpose

To evaluate 1-year changes of vault, anterior chamber angle width (ACAW) and intraocular pressure (IOP) after the implantation of implantable collamer lens (ICL) V4c in high myopic patients.

Methods

Sixty ICL V4c implantation surgeries were included. Patients underwent surgery between January 2014 and June 2017 at Ophthalmology Center Tecnolaser Clinic Vision®, Seville, Spain. All patients had a 12-month follow-up. A preoperative spherical equivalent between − 4.00 and − 15.00 D was established as inclusion criterion. ACAW and vault were measured with Pentacam single rotation Scheimpflug camera (Oculus Optikgeräte GmbH, Wetzlar, Germany). IOP was measured with CORVIS ST (Oculus Optikgeräte GmbH, Wetzlar, Germany).

Results

One-day vault was 553.17 ± 169.80 [268–975] µm; 12-month vault was 515.67 ± 176.46 [169–950] µm (p < 0.01). Preoperative ACAW was 36.85° ± 4.60° [26.7°–46.8°]; postoperative ACAW was 25.98° ± 3.85° [16.4°–32.6°] (p < 0.01). Preoperative IOP was 15.37 ± 1.58 [12.0–18.3] mmHg, postoperative IOP was 15.61 ± 1.60 [12.0–19.0] mm Hg (p = 0.35).

Conclusions

ICL V4c lens experienced a progressive reduction of vault after 12-month follow-up. ACAW decrease was significant between preoperative and postoperative values. We propose to include a minimum preoperative ACAW and an IOP correction factor for lens size.

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Title: Anterior chamber angle width, central vault and intraocular pressure changes after 12 months of Visian collamer lens implantation
Authors: José-María Sánchez-González
Federico Alonso-Aliste
Gracia Perea-Peña
Rahul Rachwani-Anil
Rafael Márquez-de-Aracena-del-Cid
Carlos Rocha-de-Lossada
Publication date: 01-08-2020
Publisher: Springer Netherlands
Keyword: Laser
Published in: International Ophthalmology / Issue 8/2020
Print ISSN: 0165-5701
Electronic ISSN: 1573-2630
DOI: https://doi.org/10.1007/s10792-020-01381-w

At a glance: The STEP trials

Springer Medicine

Anterior chamber angle width, central vault and intraocular pressure changes after 12 months of Visian collamer lens implantation

Abstract

Purpose

Methods

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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