نتایج جستجو برای: fundus pressure
تعداد نتایج: 416073 فیلتر نتایج به سال:
Introduction: Diabetic retinopathy is one of the most important complications of type 1 and 2 diabetes, which is the most important cause of blindness in people aged 20 to 74. This study aimed to determine the prevalence of retinopathy in newly diagnosed type 2 diabetes mellitus at the Diabetes Center of 5th Azar Hospital in Gorgan. Materials and Methods: A total of 260 patients with newly diag...
PURPOSE To investigate the long-term effect of 0.12% isopropyl unoprostone (Rescula) on microcirculation in the human ocular fundus. METHODS A laser speckle tissue circulation analyzer was used to measure normalized blur (NB), a quantitative index of blood flow velocity, in the optic nerve head (ONH) and choroid-retina before and 4.5 hours after the instillation of a placebo into both eyes of...
We report a case of ocular ischemic syndrome accompanied by neovascular glaucoma that was successfully treated with Bevacizumab. A 70-year-old male patient diagnosed with neovascular glaucoma of the left eye 3-4 years prior complained of continuous left eye pain and declining visual acuity despite receiving the latest treatment methods. At the time of admission the patient had no light percepti...
PURPOSE To determine the effect of caffeine on microcirculation in the human ocular fundus. METHODS The microcirculation in the ocular fundus of 10 healthy volunteers (10 eyes) was studied using a laser speckle tissue circulation analyzer. Caffeine or placebo (100 mg) was administered orally in a double-masked manner. Square blur rate (SBR), a quantitative index of blood flow velocity, was me...
This study reports the case of a 32-year-old female patient with no particular history, treated for myopia since school age. Routine ocular examination showed visual acuity value 10/10, clear cornea, anterior chamber, good depth, with normal iris texture and color and clear lens in both eyes with intraocular pressure 16 mmHg in the right eye and 14 mmHg in the left eye. Fundus examination showe...
To cite: Holla A, Gonsalves SRJ. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2013200922 DESCRIPTION A 28-year-old man presented with painless defective vision in the left eye of 4-day duration. He gave a history of performing yoga in the form of breathing exercises prior to this. There were no other ocular/systemic problems. On examination, vision in the right...
Glaucoma is a chronic eye disease that leads to blindness. This disease cannot be cured but we can detect the disease in time. Current tests using intraocular pressure (IOP) measurement are not sensitive enough for population based glaucoma screening. Optic nerve head assessment in retinal fundus images is more promising and superior than current methods. This paper proposes segmentation of opt...
PURPOSE To report three cases of varix of the vortex vein ampulla. METHODS Observational small case series. During 2002, three patients were examined for suspected choroidal melanoma. In all cases, the lesions were located at the equator or the periphery. RESULTS The lesions became more prominent when the eyes were positioned in the direction of the lesion, and disappeared when firm pressur...
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