نتایج جستجو برای: retinal

تعداد نتایج: 81049  

Journal: :journal of current ophthalmology 0
علیرضا لاشیئی alireza lashay مهدی بهنیا mehdi behnia رضا کارخانه reza karkhaneh احمد میرشاهی ahmad mirshahi محمد ریاضی اصفهانی mohammad riazi-esfahani محمد ابراهیمی mohammad ebrahimi هوشنگ فقیهی

purpose: to evaluate the anatomical and functional outcomes of using heavy silicone oil as an internal tamponade for complicated cases of retinal detachment associated with proliferative vitreoretinopathy involving inferior retinal quadrants methods: 55 eyes from 55 patients with complicated retinal detachments enrolled in this interventional case series study. all eyes underwent standard three...

Introduction: Glaucoma is the most common cause of blindness in some countries. In the meantime, the field of retinal image processing has been proposed in order to provide automatic systems for disease diagnosis. Among the methods of medical image processing, image segmentation is a process of identification and change in the display of an image. The objective of this study was to use t...

Introduction: Glaucoma is the most common cause of blindness in some countries. In the meantime, the field of retinal image processing has been proposed in order to provide automatic systems for disease diagnosis. Among the methods of medical image processing, image segmentation is a process of identification and change in the display of an image. The objective of this study was to use t...

Journal: :journal of current ophthalmology 0
هرمز شمس hormoz chams علیرضا لاشیئی alireza lashay احمد جوادیان ahmad javadian رضا کارخانه reza karkhaneh فرهاد شهرام farhad shahram فریدون دواچی fereidoun davatchi

purpose : to investigate the risk factors and causes for blindness in behcet’s disease (bd). methods : in this preliminary retrospective case series we have investigated 27 bd patients (54 eyes), legally blind (vision 0.1 or less) at least in one eye at the last visit (2006), and compared them with 54 eyes of 27 non-blind patients (control group), matched individually and consequently in terms ...

Journal: :journal of cardio-thoracic medicine 0
afsoon fazlinezhad cardiologist, department of cardiology, ghaem hospital ,faculty of medicine, mashhad university of medical sciences, mashhad, iran toka banaee ophthalmologist, retina research center, department of ophthalmology, faculty of medicine, mashhad university of medical sciences ali azari cardiac-surgeon, department of cardiac surgery, ghaem hospital, faculty of medicine, mashhad university of medical sciences, mashhad, iran leila bigdelu cardiologist, member of cardiovascular research center, ghaem hospital, school of medicine, mashhad university of medical sciences, mashhad, iran mojde amini medical student, faculty of medicine, mashhad university of medical sciences, mashhad, iran

introduction: retinal vein occlusion  is a common vascular disorder disrupting vision. two basic types of rvo are branch retinal vein occlusion and central retinal vein occlusion (crvo).  retinal vein occlusion is a multifactor process including systemic illness and local retinal factors.rvo may be associated with atherosclerotic risk factors. we analyzed the role of 2 dimensional transthoracic...

Journal: :journal of medical signals and sensors 0
zahra ghanian mahsa ranj

a multi‑parameter quantification method was implemented to quantify retinal vascular injuries in microscopic images of clinically relevant eye diseases. this method was applied to wholemount retinal trypsin digest images of diabetic akita/+, and bcl‑2 knocked out mice models. five unique features of retinal vasculature were extracted to monitor early structural changes and retinopathy, as well ...

Journal: :بینا 0
مهدی نیلی احمدآبادی m nili ahmadabadi تهران- میدان قزوین- بیمارستان فارابی- مرکز تحقیقات چشم رامین اساسی r asasi تهران- میدان قزوین- بیمارستان فارابی- مرکز تحقیقات چشم رضا کارخانه r karkhaneh تهران- میدان قزوین- بیمارستان فارابی- مرکز تحقیقات چشم

purpose:  to evaluate the significance of the presence of pigment granules in  the anterior  vitreous as a reliable indicator of retinal breaks in patients with acute symptomatic posterior vitreous detachment  (pvd) . methods: this cross sectional study included 209 phakic patients with acute symptomatic pvd. the patients underwent anterior vitreous examination and fundoscopy. patients with dia...

Journal: :بینا 0
مرتضی مهدیزاده m mahdizadeh شیراز- بیمارستان خلیلی مرسل مهریار m mehryar شیراز- بیمارستان خلیلی محمدحسین روزی طلب mh rouzitalab شیراز- بیمارستان خلیلی حسین اشرف h ashraf شیراز- بیمارستان خلیلی محسن فروردین m farvardin شیراز- بیمارستان خلیلی منصور رحیمی m rahimi شیراز- بیمارستان خلیلی

purpose: to compare the anatomical results of scleral buckling with or without retinopexy and to assess the effect of retinopexy on outcomes of the operation.  methods: this interventional case series was performed on 22 patients undergoing scleral buckling (segmental or encircling) with or without subretinal fluid drainage and without any type of retinopexy and 33 patients who received transsc...

Journal: :journal of current ophthalmology 0
خلیل قاسمی فلاورجانی khalil ghasemi falavarjani ژوبین خادمی joobin khadamy ناصر کریمی nasser karimi انیس السادات جزایری anis alsadat jazayeri فواد امیرکورجانی foad amirkourjani

purpose: to evaluate the rate of optical coherence tomography (oct) grid decentration in a routine practice and its effect on thickness measurements methods: topcon spectral domain oct scans from various macular diseases including age related macular degeneration, diabetic macular edema, macular pucker and central serous chorioretinopathy (cscr) were studied in all patients visited during seven...

Journal: :iranian journal of medical physics 0
faramarz madjidi department of occupational health engineering, school of health, zanjan university of medical sciences, parvin etesamee avenue, zanjan, iran

introduction blue light is a part of the spectrum with the highest energy content, which can reach the retina. the damage that it can cause to the retina is called photochemical or blue-light retinal injury. for the retinal injury assessment of the photochemical and aphakic retinal hazards in the wavelength range of 300-700 nm, use of effective spectral radiance limits (w.m-2.sr-1) seems to be ...

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