keratoconus is a non-inflammatory, progressive thinning process of the cornea. it is a relatively common disorder of unknown etiology that can involve each layer of the cornea and often leads to high myopia and astigmatism. computer- assisted corneal topography devices are valuable diagnostic tools for the diagnosis of subclinical keratoconus and for tracking the progression of the disease. the...

Abstract Background To describe the very early vault changes in first month after Implantable Collamer Lens (ICL) implantation and to evaluate effect of preoperative biometric factors on vault. Methods Eighty-three eyes from eighty-three subjects with complete data who met follow-up requirements were recruited this retrospective study between May 2019 March 2020. We quantitatively assessed post...

The purpose of this article is to evaluate the clinical outcomes of a posterior chamber phakic intraocular lens (pIOL) (Visian Implantable Collamer Lens V4c) for the correction of moderate to high myopia in Chinese eyes.The article is designed as a retrospective case series.This study included the first consecutive eyes that had implantation of a new pIOL design with a central hole, at our depa...

PURPOSE To demonstrate the methodology described by the American National Standards Institute (ANSI) Standard Subcommittee on Astigmatism Analysis reporting a standardized method of presenting astigmatism data by laser systems that reshape the cornea also applies to toric phakic intraocular lens (IOL) data. METHODS The U.S. Food and Drug Administration trial of the Visian Toric Implantable Co...

The aim of this study was to investigate the visual quality of the 2 kinds of intraocular lens: Visian implantable collamer lens (ICL) V4 and Visian ICL V4c implantations for high myopia.Twenty cases (20 eyes) with high myopia who received Visian ICL V4 implantation and 18 cases (18 eyes) with high myopia who received Visian ICL V4c implantation in our hospital from April 1, 2014 to November 31...

OBJECTIVES The aim was to examine efficacy and safety after Implantable Collamer Lens (ICL) implantation for correction of myopia et myopic astigmatism. METHODS This prospective clinical study included 28 eyes of 16 patients which underwent implantation of ICL for correction of myopia up to -18,00 diopters (D) and myopic astigmatism up to -6,00 D in the Eye Clinic Svjetlost Sarajevo, from Jan...

PURPOSE To review the peer-reviewed literature reporting postoperative complications of the most recent models of Visian Implantable Collamer posterior chamber intraocular lenses (ICL, STAAR Surgical Co). METHODS A literature search of the PubMed database was performed to identify all articles related to ICL complications. Articles were obtained and reviewed to identify those that reported co...