Purpose To compare surgically induced astigmatism (SIA) and refractive outcomes between two operation methods for late in-the-bag IOL dislocation. Methods In this prospective, randomized, parallel-group clinical trial, 104 patients (eyes) were assigned to IOL repositioning by scleral suturing 1.5- to 2-mm posterior to limbus (n = 54) or IOL exchange with a retropupillar iris-claw IOL using a ...

We report the case of a 37-year-old man with a high myopic keratoconus eye that was treated with a posterior chamber toric implantable collamer lens (ICL) in Korea. The patient had a history of contact lens intolerance and did not want to have a corneal transplantation. His uncorrected visual acuity (UCVA) and best spectacle corrected visual acuity were 0.02 and 0.4 in the left eye, respectivel...

PURPOSE To evaluate the degree of static and dynamic cyclotorsion using a rotational eye tracker in laser in situ keratomileusis (LASIK) to correct myopic astigmatism. SETTING Rothschild Foundation, Paris, France. DESIGN Cohort study. METHODS Laser in situ keratomileusis with active iris registration using a Zyoptix 100 Hz excimer laser with Advanced Control Eyetracking was performed in e...

BACKGROUND The novel Femtosecond lenticule extraction (FLEx) procedure has been considered safe, predictable, and effective in treating myopia and myopic astigmatism, with few complications. However, an enhancement procedure after FLEx may be required in some cases, but has not been reported in detail. CASE PRESENTATION A 24-year-old woman who had undergone bilateral FLEx with the VisuMax fem...

Purpose: To assess the visual and refractive outcomes after implantation of Toric Implantable Collamer Lens (T-ICL) in compound myopic astigmatism Methods: In this prospective study, 28 eyes with manifest refraction spherical equivalent (MRSE) errors of -10.94±4.09 diopter (D) and mean cylindrical errors of -3.47±1.39 D underwent T-ICL implantation. Six months after surgery, best corrected and ...

purpose: to determine changes in streoacuity in anisometropic myopic eyes after photorefractive keratectomy (prk). methods: this quasi-experimental clinical trial was performed in myopic patients with at least 1 d of in anisometropia spherical, astigmatic or spherical equivalent who underwent photorefractive keratectomy (prk) using the technolas 217 z excimer laser machine. changes in streoacui...

PURPOSE Although astigmatism is prevalent during early infancy, the influence of astigmatism on early refractive development is unclear. This study was undertaken to determine the effects of astigmatism on emmetropization in monkeys. METHODS Infant rhesus monkeys (n = 39) were exposed to optically simulated astigmatism in one or both eyes from approximately 1 to 4 months of age. With-the-rule...