The error of refraction is a very common eye disorder. Untreated vision problems put lot burden on the global economy annually. One most important parameters in correct treatment visual defects assembly focal point glass. study was carried out to reveal decentration differences and analysis prism formation after glass according prescriptions 150 customers who came an optical shop Eskisehir Satu...

AIM To determine the clinical outcomes of laser in situ keratomileusis (LASIK) treatments using LaserSight AstraPro Planner 2.2 Z software for myopia with asymmetric corneal shape. METHODS Four hundred and eighty-five eyes [243 patients; spherical equivalent (SE), -5.93±1.88 diopters (D)] were treated with asymmetric ablations using LaserSight SLX laser (version 5.3, 300Hz) were retrospective...

PURPOSE To analyze the indications for explantation or exchange of intraocular lenses (IOLs), which were originally implanted for the correction of aphakia during cataract extraction. METHODS All cases that involved intraocular lens explantation or exchange in one institution between January 2008 and December 2014 were analyzed retrospectively. RESULTS In total, 93 eyes of 93 patients were ...

OBJECTIVE To quantitatively document changes in corneal refractive parameters in relation to the progression of keratoconus over years. DESIGN Retrospective observational case series. PARTICIPANTS Eighty-five eyes of 64 patients with keratoconus who had undergone videokeratography examinations at least twice with an interval of 1 year or longer between each examination. METHODS By means o...

PURPOSE To compare the computed optical performance of prototype lenses designed using deliberate manipulation of higher-order spherical aberrations to extend depth-of-focus (EDOF) with two commercial multifocals. METHODS Emmetropic, presbyopic, schematic eyes were coupled with prototype EDOF and commercial multifocal lenses (Acuvue Oasys for presbyopia, AOP, Johnson & Johnson & Air Optix Aqu...

BACKGROUND The purpose of this study was to compare the safety and efficacy of two alternative corneal topography data sources used in topography-guided excimer laser normalization, combined with corneal collagen cross-linking in the management of keratoconus using the Athens protocol, ie, a Placido disc imaging device and a Scheimpflug imaging device. METHODS A total of 181 consecutive patie...

MEASUREMENT OF CORNEAL AND CRYSTALLINE LENS MISALIGNMENT RELATIVE TO THE VISUAL AXIS DUNNE M.C.M.1, BARRY J.C.2, HARTMANN A.2, CULPIN F.1, DE MAIN J.l, DUKE A.1 and FRENCH 1.1 I Department of Vision Sciences, Aston University (UK) 2 Department of Ophthalmology, RUTH Aachen (Germany) %rpare To measure the misalignment between the comeal and crystalline lens axes relative to the visual axis. To e...

MEASUREMENT OF CORNEAL AND CRYSTALLINE LENS MISALIGNMENT RELATIVE TO THE VISUAL AXIS DUNNE M.C.M.1, BARRY J.C.2, HARTMANN A.2, CULPIN F.1, DE MAIN J.l, DUKE A.1 and FRENCH 1.1 I Department of Vision Sciences, Aston University (UK) 2 Department of Ophthalmology, RUTH Aachen (Germany) %rpare To measure the misalignment between the comeal and crystalline lens axes relative to the visual axis. To e...

PURPOSE To evaluate a laser technique and manual technique to perform capsulorrhexis in cataract eyes. METHODS Anterior capsulotomy was performed with an intraocular femtosecond laser (LenSx Lasers Inc) in 54 eyes (FS group) and manual continuous curvilinear capsulorrhexis was performed in 57 eyes (CCC group). Circularity and area of capsulotomy and IOL decentration were measured using Photos...