نتایج جستجو برای: mean keratometry

تعداد نتایج: 587368  

2016
Florian Tobias Alwin Kretz Rahmin Khoramnia Mary Safwat Attia Michael Janusz Koss Katharina Linz Gerd Uwe Auffarth

PURPOSE To evaluate postoperative outcomes and visual performance in intermediate distance after implantation of a +1.5 diopters (D) addition, aspheric, rotational asymmetric multifocal intraocular lens (MIOL). METHODS Patients underwent bilateral cataract surgery with implantation of an aspheric, asymmetric MIOL with +1.5 D near addition. A complete ophthalmological examination was performed...

Journal: :IP International Journal of Ocular Oncology and Oculoplasty 2019

2015
Mehvash Hussain Mohammad Muneer Quraishy

.................................. Purpose: To determine the difference in mean post-operative astigmatism of patients having limbal relaxing incisions with phacoemulsification as compared to phacoemulsification alone for the correction of pre-existing corneal astigmatism. Material and Methods: This study was conducted in the Civil Hospital Karachi Eye Unit II, from 1 st December 2009 1 st Dece...

2017
Bushra Akbar Rana Intisar-ul-Haq Mazhar Ishaq Sabahat Arzoo Kashif Siddique

OBJECTIVE The purpose of this study was to evaluate the safety and efficacy of transepithelial corneal collagen cross linking (TE-CXL) with modified riboflavin and accelerated UVA irradiance in thin corneas with pachymetry less than 400 microns at thinnest point, untreatable by epithelium off corneal collagen cross linking (CXL) in adult Pakistani population with progressive keratoconus. METH...

2011
Chan Young Kim Ji Hye Song Kyoung Sun Na So-Hyang Chung Choun-Ki Joo

PURPOSE To evaluate factors responsible for the variability between intended and achieved corneal-flap thickness during femtosecond laser-assisted laser in situ keratomileusis (LASIK). METHODS A prospective, nonrandomized, case study was performed on 35 eyes of 18 consecutive patients who underwent LASIK surgery using the 60 kHz femtosecond laser microkeratome. Eyes were assigned to three dif...

Journal: :Investigative ophthalmology & visual science 2008
Jennifer R Lewis Andrea E Knellinger Ashraf M Mahmoud Thomas F Mauger

PURPOSE To assess the repeatability and reliability of IOLMaster (Carl Zeiss Meditec, Inc., Dublin, CA) axial length and keratometry measurements (K readings) with a soft contact lens on normal eyes. The method is designed for eyes with corneal irregularities or after endothelial keratoplasty. METHODS Biometry was performed on 20 healthy right eyes of volunteer subjects with mean age, 27.3 +/...

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