نتایج جستجو برای: cataract

تعداد نتایج: 18176  

Journal: :Photonics 2021

Age-related cataracts are one of the most prevalent causes visual impairment around world. Understanding mechanisms cataract development and progression is essential to enable early clinical diagnosis treatment preserve acuity. Reductive chemicals potential medicines effective on treatment. In this work, we investigated cataract-induced oxidative damage in crystalline lens a kind reductant, ?-l...

2017
Wenwen He Ting Sun Jin Yang Guoyou Qin Zhenyu Wu Xiangjia Zhu Yi Lu

PURPOSE To investigate the ocular features of children with congenital cataract in a tertiary referral eye center in East China. METHODS We retrospectively reviewed the clinical data of congenital cataract children who underwent cataract surgery between April 2009 and April 2014 at the Eye and ENT Hospital of Fudan University and identified factors associated with the axial length (AXL) and c...

2016
Gen Miura Yosuke Nakamura Eiju Sato Shuichi Yamamoto

BACKGROUND The purpose of this study was to evaluate the effects of cataracts on the flicker electroretinograms (ERGs) recorded with the RETeval™ system under mydriatic-free conditions. METHODS This was a retrospective study of 82 eyes of 60 patients with cataracts and 52 eyes of 38 patients who were pseudophakic. Flicker ERGs were recorded with the RETeval™ system (LKC Technologies, Gaithers...

Journal: :iranian journal of pharmaceutical research 0
nk nair k patel t gandhi

cataract is clouding of the eye lens that reduces the amount of incoming light and results in deteriorating vision. blindness is thought to reach 75 million by 2020. of these, unoperated cataract may be expected to account for at least 35 million. thus, the burden of cataract is increasing remorselessly. embelica officinalis is reported to have a very good antioxidant property and thus we hypot...

2017
Cecilia S Lee Grace L Su Douglas M Baughman Yue Wu Aaron Y Lee

PURPOSE Cataract is a major cause of age-related eye diseases in the United States, and cataract extraction is the most commonly performed surgery on Medicare beneficiaries. Analyzing the pattern in delivery of cataract care at the national level can highlight areas of disparities. We evaluated geographic disparities seen in cataract surgery delivery to Medicare beneficiaries in the United Stat...

ژورنال: بینا 2019
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Purpose: To examine the visual and refractive results of cataract surgery by phacoemulsification method in patients with keratoconus. Methods: In this retrospective study, the files of patients with keratoconus, who underwent phacoemulsification between 2008 and 2017, were evaluated. The intraocular lens power calculation formula was SRK/T. Post-operative visual and refractive results were anal...

2010
Andreas Pollreisz Ursula Schmidt-Erfurth

Cataract in diabetic patients is a major cause of blindness in developed and developing countries. The pathogenesis of diabetic cataract development is still not fully understood. Recent basic research studies have emphasized the role of the polyol pathway in the initiation of the disease process. Population-based studies have greatly increased our knowledge concerning the association between d...

Journal: :CoRR 2018
Aditya Lakra Pavani Tripathi Rohit Keshari Mayank Vatsa Richa Singh

Cataract is caused due to various factors such as age, trauma, genetics, smoking and substance consumption, and radiation. It is one of the major common ophthalmic diseases worldwide which can potentially affect iris-based biometric systems. India, which hosts the largest biometrics project in the world, has about 8 million people undergoing cataract surgery annually. While existing research sh...

Journal: :Genetics and molecular research : GMR 2016
D D Zhang J Z Du J Topolewski X M Wang

Congenital cataract is a common cause of blindness in children; however, its pathogenesis remains unclear. Genetic factors have been shown to play an important role in the pathogenesis of congenital cataract. The current genetic models of congenital cataract include autosomal dominant, autosomal recessive, and sex-linked inheritance. Sex-linked congenital cataract could be inherited through the...

Journal: :International journal of medical ophthalmology 2021

Background & Objectives: Ocular diseases like cataract, diabetic retinopathy, glaucoma and ARMD are some of the ocular associations observed in patients with deficient Vitamin D levels. Although earlier studies have addressed issue metabolic factors leading to cataract infants, on adults is lacking. In our current study we intend assess analyse serum vitamin D3 levels early cataractous changes ...

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