نتایج جستجو برای: iol calculation
تعداد نتایج: 103883 فیلتر نتایج به سال:
Endothelial distance after phakic iris-fixated intraocular lens implantation: a new safety reference
PURPOSE To evaluate the distance between the endothelial surface of the cornea to the anterior edge of an Artiflex® phakic intraocular lens (IOL) implant to improve the safety profile of this implant. METHODS This is a retrospective clinical case series of 45 patients who had Artiflex phakic IOL implantation (Artiflex p-IOL) with a follow-up period of 3 years. A Pentacam HR imaging system was...
PURPOSE To evaluate the indications, lens styles, perioperative findings, and results of intraocular lens (IOL) explantation or exchange performed in the authors department in 2005. METHODS The retrospective analysis comprised 22 patients (23 eyes). Twenty-one eyes had previous phacoemulsification and IOL implantation, one eye secondary aphakic IOL, and one eye phakic IOL implantation. The in...
The aim of the study was to compare the measurements of optical (AL-Scan; Nidek Co., Ltd.) and ultrasonic (Echo Scan US-800; Nidek Co., Ltd.) biometry devices and to assess refractive results after cataract surgery. Eighty-one cataractous eyes of 81 patients were included in this study. Biometry was performed using the AL-Scan and an ultrasonic biometer (USB). Axial length (AL), keratometry (K)...
BACKGROUND To evaluate how differences in ocular biometry affects the Hoffer Q, Holladay 1, SRK/T, and Haigis intraocular lens power calculation formulae predictions. METHODS This study was performed on 91 eyes of 91 patients who underwent uneventful cataract surgery. Ocular biometry values were measured using the IOL Master 500, and intraocular lens (IOL) power was calculated using the Haigi...
OBJECTIVE The objectives of this review were to identify the predictive factors of induction of labor (IOL) failure or success as well as to highlight the current heterogeneity regarding the definition and diagnosis of failed IOL. MATERIALS AND METHODS Only studies in which the main or secondary outcome was failed IOL, defined as not entering the active phase of labor after 24 h of prostaglan...
هدف: مقایسه نتایج کارگذاری لنز داخل چشمی (IOL) در فضای کپسولی با کارگذاری هاپتیک لنز در فضای شیار سیلیاری و گیر انداختن (capture) اپتیک در کپسول خلفی در جراحی آبمروارید کودکان. روش پژوهش: هجده چشم از 9 کودک دچار آبمروارید مادرزادی دوطرفه در محدوده سنی 8-5/2 سال مورد مطالعه قرار گرفتند. چشمهای هر بیمار به طور تصادفی در یکی از گروهها قرار گرفت. در یک چشم (گروه کپسولی) پس از انجام کپسولورک...
Introduction: This study aimed to evaluate the differences in Intraocular Lens (IOL) power keratoconus (KC) eyes between calculations obtained clinically with most commonly used formulas healthy (SRK T, Holladay 1, Hoffer Q and Haigis) as well define predictive factors for such differences. Methods: retrospective comprised 43 of 22 patients no previous ocular surgery. IOL powers were calculated...
One of the most common cause decrease vision in a pseudophakic patient is formation posterior capsular opacification (PCO) which affected by several factors like design implanted intraocular lens (IOL) and material IOL. PCO incidence has been reported to be 20.7% at 2 years & 28.5% 5 years. Decrease because necessitates capsulotomy with neodymium yttrium aluminum garnet (Nd-YAG) laser create sm...
PURPOSE To compare the accuracy of intraoperative aberrometry technology and the Fourier-domain optical coherence tomography (OCT)-based intraocular lens (IOL) formula for IOL power calculation in eyes undergoing cataract surgery after previous laser vision correction (LVC) compared with established methods. DESIGN Retrospective consecutive case series. PARTICIPANTS Patients undergoing cata...
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