نتایج جستجو برای: retina
تعداد نتایج: 51764 فیلتر نتایج به سال:
purpose: to present 3 rare cases of benign flecked retina syndrome. patients and finding: a 19-year-old female patient presented with fundus albipunctatus appearance in fundoscopy without night blindness and normal dark adaptation time on electeroretinography (erg). after 9 years of follow up, no change in visual acuity, erg, or other ophthalmologic examinations was seen. two members of her fam...
The present investigation considered retina structure in embryos, larvae and adult Alburnus chalcoides. Histological samples of retina were provided from adult fish, different stages of embryonic and larval development. Eye primordia formed from ectoderm at 16 hours after fertilization (16hAF) and then developed to eye cups. Initial eye cup which contained undifferentiated retina began to form ...
retina is a part of the central nervous system derived from the neuroectoderm and made up of 5 layers.in this study, the changes in the thickness of the retinal layers as a consequence of diabetes and effect of aloe vera gel extract in male rats were assessed. thirty sprague dawley adult male rats (175 ± 25 g) in two age groups (4 and 8 weeks) were divided into 6 groups of 5 as control, diabeti...
چکیده ندارد.
the big eye kilka, clupeonella grimmi, is a marine fish living in depth of 20 to 200 meter of the caspian sea. its eye and retina were processed for histological and sem studies. paraffin embedded retina was cut radially and tangentially in 5 ?m thickness and stained with hematoxylin and eosin method. the unstained sections were manipulated for sem image observations. tangential retinal section...
Retina is a part of the central nervous system derived from the neuroectoderm and made up of 5 layers.In this study, the changes in the thickness of the retinal layers as a consequence of diabetes and effect of Aloe Vera gel extract in male rats were assessed. Thirty Sprague Dawley adult male rats (175 ± 25 g) in two age groups (4 and 8 weeks) were divided into 6 groups of 5 as control, diabeti...
introduction: this paper addresses a method for automatic detection of blood vessels in color fundus images which utilizes two main tools: image partitioning and local radon transform. material and methods: the input images are firstly divided into overlapping windows and then the radon transform is applied to each. the maximum of the radon transform in each window corresponds to the probable a...
چکیده ندارد.
aim: to report a patient with fundus flavimaculatus or macular dystrophy with flecks, who came to medical attention due to deteriorated vision in one eye and combined hamartoma of the retina and retinal pigment epithelium. case presentation: a 26 year old lady was referred with history of progressive decreased vision in both eyes since childhood with recently deteriorated vision in her right ey...
introduction: lead toxicity induces retinal cell apoptosis. vitamin c and garlic may decrease lead-induced apoptosis. this study was undertaken to investigate vitamin c and garlic protective effects on lead-induced apoptosis in eye retina. methods: pregnant wistar rats (n = 72) were divided randomly into 9 groups: (l) treated rats with lead acetate in drinking water and (l+aa) with leaded water...
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