نتایج جستجو برای: cataracts

تعداد نتایج: 3603  

Cataract is multi-factorial eye disease identified by the disturbance of the transparent ocular lens. There is significant evidence suggesting oxidative damage as a major cause of initiation and progression of numerous diseases including cataracts. NAD(P)H:quinone oxidoreductase 1 (NQO1; OMIM: 125860) and catalase (CAT, OMIM: 115500) are antioxidant enzymes that prevent cells from oxidative str...

Journal: :بینا 0
معصومه اقتداری m eghtedari شیراز- خیابان پوستچی - مرکز تحقیقات چشم پزشکی پوستچی علی خوش آمدی a khoshamadi شیراز- خیابان پوستچی - مرکز تحقیقات چشم پزشکی پوستچی محمد معتمدی فر m motamedifar شیراز- خیابان پوستچی - مرکز تحقیقات چشم پزشکی پوستچی نهال هادی n hadi شیراز- خیابان پوستچی - مرکز تحقیقات چشم پزشکی پوستچی رامین صلوتی r salouti شیراز- خیابان پوستچی - مرکز تحقیقات چشم پزشکی پوستچی محمدرضا طالب نژاد mr talebnejad شیراز- خیابان پوستچی - مرکز تحقیقات چشم پزشکی پوستچی

purpose: to evaluate the etiology of cataracts in children less than 3 years of age particularly the association of rubella virus infection and galactosuria with congenital cataracts at khalili hospital, shiraz-iran from 2003 to 2006. methods: this prospective study included 46 patients less than 3 years undergoing lensectomy for the management of significant cataracts. lens aspirate specimens ...

Journal: :IEEE Photonics Journal 2023

This study developed a computational model to assess the optical properties of nuclear cataracts, using slit-lamp lens images for clinical evaluation based on color and opacity. Cataracts were represented as spherical particles distinct from surrounding medium, with diameters ranging tens hundreds nanometers. examined effects particle diameter, concentration, colorimetric opacity cataracts thei...

Journal: :JAMA 2003

Journal: :Current Biology 2016
Adélaïde de Heering Giulia Dormal Maxime Pelland Terri Lewis Daphne Maurer Olivier Collignon

Is a short and transient period of visual deprivation early in life sufficient to induce lifelong changes in how we attend to, and integrate, simple visual and auditory information [1, 2]? This question is of crucial importance given the recent demonstration in both animals and humans that a period of blindness early in life permanently affects the brain networks dedicated to visual, auditory, ...

Journal: :Investigative ophthalmology & visual science 1996
G Alberti M Oguni M Podgor R D Sperduto S Tomarev C Grassi S Williams M Kaiser-Kupfer G Maraini J F Hejtmancik

PURPOSE To investigate possible associations between the gene number and allelic forms of glutathione S-transferase M1 (GSTM1) and the occurrence of nucleic and cortical age-related cataracts. METHODS Patients with cortical cataract, nuclear cataract, mixed and cortical cataract, and no cataract were sytematically selected from subjects evaluated in the Italian-American Study of the Natural H...

Journal: :molecular biology research communications 2015
narjes zarei iraj saadat majid farvardin-jahromi

cataract is multi-factorial eye disease identified by the disturbance of the transparent ocular lens. there is significant evidence suggesting oxidative damage as a major cause of initiation and progression of numerous diseases including cataracts. nad(p)h:quinone oxidoreductase 1 (nqo1; omim: 125860) and catalase (cat, omim: 115500) are antioxidant enzymes that prevent cells from oxidative str...

2013
Hui-Ju Lin Chien-Chen Lai Shiuan-Yi Huang Wei-Yi Hsu Fuu-Jen Tsai

BACKGROUND Cataracts are the leading cause of blindness worldwide; however, there is no evidence regarding the direct formation of cataracts. At present, there is no treatment method other than surgery to prevent the formation or progression of cataracts. OBJECTIVE Understanding the protein changes during various stages of cataracts might help realize the mechanism of the formation and progre...

Journal: :The European respiratory journal 2006
P Ernst M Baltzan J Deschênes S Suissa

Orally inhaled corticosteroid use has been convincingly linked to an increase in the risk of cataracts, although the risk at lower doses in common use remains uncertain. The potential risk of cataracts with the use of nasal corticosteroids is unknown. A matched nested case-control analysis was performed in a population-based cohort of elderly people who had been dispensed medications for airway...

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