نتایج جستجو برای: macular degeneration

تعداد نتایج: 73965  

Journal: :American journal of ophthalmology 2010
Yoshihisa Yamada Noritake Miyamura Kiyoshi Suzuma Takashi Kitaoka

PURPOSE To report the long-term (>5 years) results of full macular translocation in patients with choroidal neovascularization (CNV). DESIGN Retrospective, interventional case series. METHODS This study involved 32 eyes of 32 patients who had undergone full macular translocation for CNV. The median follow-up was 6.5 years (range, 5.2 to 7.7 years). We evaluated the best-corrected visual acu...

Journal: :Archives of ophthalmology 2002
T Daniel Ting Mila Oh Terry A Cox Carsten H Meyer Cynthia A Toth

OBJECTIVE To determine the prevalence and visual significance of cystoid macular edema (CME) in eyes with subfoveal neovascular age-related macular degeneration using optical coherence tomography (OCT). MATERIALS AND METHODS The medical records of 61 consecutive patients initially seen with nondisciform subfoveal neovascular age-related macular degeneration were retrospectively reviewed. All ...

2015

Macular degeneration is one of the most common retinal diseases in India. Usually it is observed in people over 60s and is therefore called age related Macular degeneration, ARMD or AMD. The macula is responsible for the sharp central vision needed for detailed activities such as reading, writing, driving, face recognition and ability to see colours. Age related macula degeneration is degenerat...

2015

Macular degeneration is one of the most common retinal diseases in India. Usually it is observed in people over 60s and is therefore called age related Macular degeneration, ARMD or AMD. The macula is responsible for the sharp central vision needed for detailed activities such as reading, writing, driving, face recognition and ability to see colours. Age related macula degeneration is degenerat...

2014
Richard A. I. Bethlehem Serge O. Dumoulin Edwin S. Dalmaijer Miranda Smit Tos T. J. M. Berendschot Tanja C. W. Nijboer Stefan Van der Stigchel

Macular degeneration is the main cause for diminished visual acuity in the elderly. The juvenile form of macular degeneration has equally detrimental consequences on foveal vision. To compensate for loss of foveal vision most patients with macular degeneration adopt an eccentric preferred retinal location that takes over tasks normally performed by the healthy fovea. It is unclear however, whet...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم پایه 1389

amd بیماری تحلیل شبکیه است که عامل اصلی کوری در افراد بالای 55 سال در جهان غرب به شمار می-رود. در اثر این بیماری، لیپوپروتئین ها در شبکیه تجمع پیدا کرده و رگ زایی القاء می شود. ثابت شده است که عوامل ژنوتوکسیک محیطی مثل سیگار کشیدن، رژیم غذایی و نور در افراد پیر با زمینه ی ژنتیکی مستعد در بروز بیماری دخیل می باشند. بنابراین ما یک مطالعه ی مـورد- شاهـدی را ترتیب دادیم که شـامل 112 فرد مبتلا به am...

Journal: :European journal of ophthalmology 2006
J B Jonas B Harder U H Spandau B A Kamppeter T Libondi G Sauder

PURPOSE To report on the treatment of exudative age-related macular degeneration by intravitreal bevacizumab (Avastin). METHODS A 78-year-old patient experienced a progressive loss of visual acuity in her right eye due to an occult subfoveal neovascular membrane in age-related macular degeneration. She received an intravitreal injection of 1.5 mg bevacizumab. RESULTS Within 4 weeks after th...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2000
R S Smith S W John A Zabeleta M T Davisson N L Hawes B Chang

Ocular neovascularization is the leading cause of blindness in developed countries and often causes rapid loss of vision in age-related macular degeneration. Acute visual loss is most often due to hemorrhage from new vessels that have extended from the choroid into the subretinal space. Growth of abnormal vessels beneath the retina in this condition is known as subretinal neovascularization (SR...

Journal: :Current opinion in ophthalmology 2007
Jignesh I Patel

PURPOSE OF REVIEW There is a suggestion of increased risk or progression of age-related macular degeneration after cataract surgery, which is related to the increased exposure of the retina to short-wavelength light. RECENT FINDINGS Cell culture and animal work has described retinal and retinal pigment epithelium phototoxicity on acute light exposure. Clinical studies suggest that the use of ...

2006
Sumru Onal Tayfun Bavbek

Aging is a fundamental biologic phenomenon that occurs even in the absence of disease, each cell having a genetically programmed lifespan. Tissues that do not undergo mitotic division to replace this cell fallout, such as the central nervous system and the retina, have a high incidence of aging manifestations, particularly after 75 years of age. As the lens ages, it increases in weight and thic...

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