Results 11 to 20 of about 736 (153)
Comparatively analysing the postoperative optical performance of different intraocular lenses: a prospective observational study [PDF]
BMC OphthalmologyBackground Postoperative performance, including best corrected distance visual acuity (BCDVA) and optical metrics (from the OQAS and iTrace devices), was compared among 4 different intraocular lenses (IOLs).
Shuanglin Guo +11 more
doaj +3 more sources
Comparison of two types of visual quality analyzer for the measurement of high order aberrations [PDF]
International Journal of Ophthalmology, 2016 AIM: To compare the difference and agreement of KR-1W and iTrace for measurement of high order aberrations. METHODS: KR-1W and iTrace were respectively used in a group of healthy people (40 volunteers, 32 eyes) to measure the high order aberration (HOA)
Jing Hao, Lin Li, Fang Tian, Hong Zhang
doaj +3 more sources
Vision, 2022 This study aimed to assess the anterior corneal wavefront aberrations, keratometry, astigmatism vectors and pupil size between Pentacam HR® (Oculus Optikgeraete GmbH, Wetzlar, Germany) and iTrace® (Tracey Technologies Corp., Houston, TX, USA).
Zahra Ashena +4 more
doaj +2 more sources
Oman Journal of Ophthalmology, 2017 PURPOSE: The aim of this study is to compare two different methods of analysis of preoperative reference marking for toric intraocular lens (IOL) after marking with an electronic marker.
Javed Hussain Farooqui +4 more
doaj +2 more sources
Three-Random-Point Marking Method for Toric Intraocular Lens Alignment Using the iTrace Aberrometer
Journal of Ophthalmology, 2021 Purpose. To evaluate the clinical outcome of the three-random-point (TRP) marking method for toric intraocular lens (IOL) alignment using the iTrace aberrometer (Tracey Technologies Corp., Houston, TX). Setting. Department of Ophthalmology, Guangdong Eye
Yongyi Niu +6 more
doaj +2 more sources
Journal of Tropical Medicine, 2021 Aim. To investigate the interdevice agreement for differences in toric power calculated using data on anterior corneal astigmatism obtained with corneal topography/ray-tracing aberrometry (iTrace), partial coherence interferometry (IOLMaster 500), and ...
Jing Dong, Yaqin Zhang, Xiaogang Wang
doaj +2 more sources
Journal of Ophthalmology, 2020 Purpose. To investigate interdevice agreement among corneal topography/ray-tracing aberrometry (iTrace), partial coherence interferometry (IOLMaster), and Scheimpflug imaging (Pentacam) for the measurement of corneal astigmatism. Methods.
Yaqin Zhang +6 more
doaj +2 more sources
Follow up of intraocular lens subluxation with a combined topographer/aberrometer [PDF]
Journal of Optometry, 2012 Purpose: To report a 36-year-old patient with intraocular lens (IOL) subluxation that was followed for IOL stability with evaluation of images captured with the iTrace combined aberrometer/topographer.
Georgios A. Kontadakis +3 more
doaj +2 more sources
مقایسه نتایج ابرومتری دستگاه iTrace با Zywave در بیماران دارای قوز قرنیه [PDF]
Ṭibb-i Tavānbakhshī, 2016 مقدمه و اهداف هدف از تحقیق پیشرو تعیین توافق iTrace در نتایج ابرومتری با Zywave در بیماران دارای قوز قرنیه است. مواد و روشها در مطالعهی مقطعی،مشاهده‌ای مقایسه‌ای حاضر، خطاهای اپتیکی ۵۱ چشم از ۴۰ بیمار ۱۹ تا ۲۷ ساله دارای قوز قرنیه که به بیمارستان فوق ...
منصور آهنگری +3 more
doaj +1 more source
Assessing the interchangeability of keratometry measurements from four biometric devices in intraocular lens power calculations: insights into the predictive accuracy of five modern IOL formulas [PDF]
BMC OphthalmologyBackground Achieving accurate intraocular lens (IOL) power calculation is crucial for successful refractive outcomes in cataract surgery. This study aimed to evaluate the interchangeability of keratometry (K) values obtained from four biometric devices ...
Shan Ma +8 more
doaj +2 more sources