نتایج جستجو برای: cataract

تعداد نتایج: 18176  

Journal: :journal of current ophthalmology 0
حسن هاشمی hassan hashemi فرهاد رضوان farhad rezvan فاطمه علیپور fatemeh alipour فرشید علاالدینی farshid alaeddini مهدی خبازخوب mehdi khabazkhoob

purpose : to determine the distribution of cataract surgery in iran between 2000 and 2005 methods : in a retrospective study based on files, cataract surgery centers were selected. between 2000 and 2005, one week of each season was selected randomly and all cataract surgery files of the center were studied. the surgeries were analyzed based on type, types of the lenses, intraoperative complicat...

2012
Gudlavalleti V S Murthy Neena John Bindiganavale R Shamanna Hira B Pant

BACKGROUND In the final push toward the elimination of avoidable blindness, cataract occupies a position of eminence for the success of the Right to Sight initiative. AIMS Review existing situation and assess what monitoring indicators may be useful to chart progress towards attaining the goals of Vision 2020. SETTINGS AND DESIGN Review of published papers from low and middle income countri...

Journal: :The British journal of ophthalmology 2003
P J Foster T Y Wong D Machin G J Johnson S K L Seah

AIM To describe risk factors for nuclear, cortical, and posterior subcapsular (PSC) cataracts in Chinese Singaporeans. METHODS A population based cross sectional study was carried out on ethnic Chinese men and women aged 40-81 years. A stratified, clustered, disproportionate (more weights to older people), random sampling procedure was used to initially select 2000 Chinese names of those aged...

Background: There is increasing evidence that visual impairment contribute to falling. The aim of this study was to determine the influence of vision impairment of old adult patients with cataract on the occurrence of falls and postural control. Methods:According to the results of screening ophthalmic examination, 48 cataract patients (mean±SD aged 68.5 ± 6.08 yrs.) and 50 individuals withou...

2014
E Song Hongpeng Sun Yong Xu Yana Ma Hong Zhu Chen-Wei Pan

PURPOSE Changes in lens may reflect the status of systemic health of human beings but the supporting evidences are not well summarized yet. We aimed to determine the relationship of age-related cataract, cataract surgery and long-term mortality by pooling the results of published population-based studies. METHODS We searched PubMed and Embase from their inception till March, 2014 for populati...

Journal: :Molecular vision 1997
T R Shearer H Ma C Fukiage M Azuma

Selenite overdose cataract, an experimental model of nuclear cataract produced in young rats is reviewed. Topics include procedures for cataract production and assessment, metabolic and molecular changes in the epithelium of the lens, calcium accumulation, activation of calcium-activated protease system, mechanisms for crystallin precipitation, anti-cataract drug testing and relevance to human ...

Journal: :Investigative ophthalmology & visual science 2001
C A McCarty H R Taylor

Cataract is the first of the five immediate priority areas for the global initiative to eliminate avoidable blindness by the year 2020, Vision 2020. Cataract was chosen because it is the leading cause of vision impairment in the world and because safe, effective surgical intervention is available that leads to a dramatic improvement in visual function. However, the results of cataract surgery d...

Journal: :The British journal of ophthalmology 2012
Anna C S Tan Wan Ting Tay Ying Feng Zheng Ava Grace Tan Jie Jin Wang Paul Mitchell Tien Yin Wong Ecosse Luc Lamoureux

AIM To examine the impact of bilateral or unilateral cataract surgery on visual functioning. METHODS The Singapore Malay Eye Study is a population-based study of 3280 Singapore Malay patients aged 40-80 years, of which 3225 had data available for inclusion. Cataracts were graded from digital lens photographs according to the Wisconsin scale. Study subjects were categorised as having: bilatera...

Journal: :surgery and trauma 0
mohammad hossein davari birjand university of medical sciencesatherosclerosis and coronary artery research centre, birjand university of medical sciences, birjand, iran behrouz heydari birjand university of medical sciencesdepartment of ophthalmology, faculty of medicin, birjand university of medical sciences, birjand, iran atiyah etebari doctor of veterinary medicine, birjand, iran

introduction: cataract is a common disease across the world and the most common cause of vision loss and blindness. several factors contribute to the disease, the most important of which is aging. other contributors include sex, smoking, sunlight, place of residence, family, job, and systemic disease. this study was aimed to enquire into the epidemiology of cataract cases referred to noor ophth...

Journal: :journal of current ophthalmology 0
حسن هاشمی hassan hashemi فاطمه علیپور fatemeh alipour فرهاد رضوان farhad rezvan مهدی خبازخوب mehdi khabazkhoob فرشید علاءالدینی farshid alaeddini اکبر فتوحی akbar fotouhi

purpose : to determine the incidence and determinants of intraoperative complications of cataract surgeries performed in iran during 2000 to 2005 methods : the iranian cataract surgery survey (icss) is a retrospective study in which random sampling was done from selected centers. one week per season between 2000 and 2005 was assigned to each center and records of cataract surgeries performed du...

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