نتایج جستجو برای: iol calculation

تعداد نتایج: 103883  

2017
Khathutshelo P. Mashige Olalekan A. Oduntan

The ability to obtain accurate measurement of ocular biometric dimensions, such as axial length (AL), anterior chamber depth (ACD) and crystalline lens thickness (LT), is essential in many clinical and research applications. For example, AL is used clinically for intraocular lens (IOL) power calculation prior to cataract and refractive surgery1 and to diagnose ocular conditions such as staphylo...

2004
K M Waddell B C Reeves G J Johnson

Background: Extracapsular cataract extraction (ECCE) with a posterior chamber intraocular lens (PC IOL) is the preferred method of cataract surgery in developed countries. However, intracapsular cataract extraction (ICCE) with an anterior chamber lens (AC IOL) may be appropriate in rural Africa. A randomised controlled trial was carried out to compare these surgical strategies. Methods: Partici...

Journal: : 2022

Purpose . Analysis of two clinical cases immediate sequential bilateral cataract surgery according to the developed modified algorithm (mаISBCS). Materials and methods The results mаISBCS are presented. In both cases, ultrasonic phacoemulsification (FEC) was performed with implantation an intraocular lens (IOL) under local anesthesia standard technique through a corneal incision 2.2–2.4 mm. IOL...

Journal: :Journal of cataract and refractive surgery 2004
Mark Packer I Howard Fine Richard S Hoffman Patricia A Piers

PURPOSE To evaluate whether the Tecnis Z9000 intraocular lens (IOL) (Pfizer) with a modified prolate anterior surface provides better quality of vision than a conventional spherical IOL. SETTING Oregon Eye Institute, Eugene, Oregon, USA. METHODS Patients presenting for cataract surgery who were randomly assigned to receive a Tecnis Z9000 IOL (Pfizer) or a Sensar OptiEdge AR40e IOL (AMO) in ...

Journal: :Saudi medical journal 2012
Ghadeer K Al-Shaikh Hayfaa A Wahabi Amel A Fayed Samia A Esmaeil Ghada A Al-Malki

OBJECTIVE To evaluate the prevalence, indications, and factors associated with successful induction of labor (IOL), and maternal and neonatal outcomes. METHODS All women booked for IOL at King Khalid University Hospital, King Saud University, Riyadh, Kingdom of Saudi Arabia from April 2010 to March 2011 were included. The characteristics of women who had successful IOL were compared to those ...

Journal: :Investigative ophthalmology & visual science 2012
Lucy J Dawes Christopher D Illingworth I Michael Wormstone

PURPOSE To establish a fully human in vitro culture model with which to test the putative effects of intraocular lens (IOL) designs in preventing posterior capsule opacification (PCO) after cataract surgery. METHODS A sham cataract operation was performed to prepare human capsular bags from donor lenses. In one capsular bag of a donor pair, an intraocular lens (PMMA round-edge IOL or acrylic ...

Journal: :Investigative ophthalmology & visual science 2017
Olav Kristianslund Atle Einar Østern Liv Drolsum

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 ...

2015
Seul Lee Moon Jin Kim Jin Seok Kim Sung Yong Oh Seok Jin Kim Yoon Hyung Kwon In Young Chung Jung Hun Kang Deok-Hwan Yang Hye Jin Kang Dok Hyun Yoon Won Seog Kim Hyo-Jin Kim Cheolwon Suh

BACKGROUND Intraocular lymphoma (IOL) is a rare malignant lymphoma that most closely resembles a diffuse large B-cell lymphoma, and it is a subtype of primary central nervous system lymphoma (PCNSL). IOL is located inside the eye in the retina, uvea, and/or optic nerve. We retrospectively analyzed IOL patient data to identify treatment patterns and survival rates in Korea. METHODS Cytological...

Journal: :Journal of cataract and refractive surgery 2011
Georgios A Kontadakis Sotiris Plainis Joanna Moschandreas Chrisanthi Tsika Ioannis G Pallikaris Miltiadis K Tsilimbaris

PURPOSE To evaluate blue-light attenuation in eyes with a tinted intraocular lens (IOL) or an untinted IOL. SETTING Department of Ophthalmology, University Hospital of Crete, Crete, Greece. DESIGN Comparative case series. METHODS Patients had lens extraction and implantation of an Acrysof Natural tinted or Tecnis ZA9003 or Softec III untinted acrylic IOL. The luminance ratio of green (530...

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