نتایج جستجو برای: neovascularization of iris
تعداد نتایج: 21166862 فیلتر نتایج به سال:
implantation of intraocular lens with iris-fixation is a safe, efficient and predictable surgical procedure, which empowers the refractive surgeon with singular capabilities. among their advantages are the reversibility, preservation of accommodation and a broad spectrum of ametropic correction. this lens also appears to be a valid option, with a favorable complication rate, for the treatment o...
Neovascular glaucoma (NVG) is a secondary glaucoma generally associated with poor visual prognosis. The development of new vessels over the iris and the iridocorneal angle can obstruct aqueous humor outflow and lead to increased intraocular pressure. The underlying pathogenesis in most cases is posterior segment ischemia, which is most commonly secondary to proliferative diabetic retinopathy or...
PURPOSE To use explants of cornea and iris and ciliary body (I/CB) of experimentally manipulated eyes to determine whether loss of the capacity to suppress T-cell activation in vitro correlates with other consequences of manipulation, i.e., the migration of Langerhans cells into the central corneal epithelium, the leakiness of stromal neovessels, and the presence of axons in the cornea. METHO...
BACKGROUND Herpetic necrotizing retinitis is a well-recognized entity. A few cases of herpetic non-necrotizing retinitis were previously reported. FINDINGS We retrospectively report two cases of herpetic non-necrotizing retinopathy with a long follow-up. A 19-year-old woman presented with a bilateral diffuse occlusive retinal vasculitis, peripheral neovascularization, and no signs of retinal ...
IGF-1 has been associated with the pathogenesis of diabetic retinopathy, although its role is not fully understood. Here we show that normoglycemic/normoinsulinemic transgenic mice overexpressing IGF-1 in the retina developed most alterations seen in human diabetic eye disease. A paracrine effect of IGF-1 in the retina initiated vascular alterations that progressed from nonproliferative to prol...
OBJECTIVE Ocular ischemic syndrome is a rare blinding condition generally caused by disease of the carotid artery. We describe a 69-year-old female with a 50 pack-year smoking history with aortic arch syndrome causing bilateral ocular ischemic syndrome. METHODS The patient presented with progressive visual loss and temple pain. Slit lamp biomicroscopy revealed bilateral iris neovascularizatio...
In May 2008, a 21-year-old single, non-obese, diabetic lady was referred to our clinic for routine eye examinations. The patient had been diagnosed with diabetes mellitus three months earlier and was receiving 100 milligrams of metformin daily and 80 milligrams of gliclazide twice daily orally, consistently maintaining her blood glucose levels between 72-90 mg/dl. She had a positive family hist...
The Spontaneously Diabetic Torii (SDT) rat, a nonobese type 2 diabetes model, develops severe diabetic retinopathy as result of chronic severe hyperglycemia. Although existing diabetes animal models also develop ocular complications, severe retinal lesions frequently observed in human diabetes patients such as preretinal neovascularization or retinal detachment are not found. Distinctive featur...
Neovascular glaucoma (NVG) secondary to internal carotid artery (ICA) occlusion is usually resistant to treatment. We report a case of NVG with ICA occlusion improved by intravitreal bevacizumab (IVB) injection and carotid artery stent replacement (CAS), even though we did not perform panretinal photocoagulation. A 67-year-old male with NVG noted visual loss in his left eye. Magnetic resonance ...
Ocular neovascularization (NV) is the primary cause of blindness in many ocular diseases. Large molecular weight anti- vascular endothelial growth factor (VEGF) protein drugs, such as Avastin and Lucentis, have saved the vision of millions. However, approximately 20-30% of patients respond poorly to anti-VEGF treatment. We found that artesunate (ART), a small molecular derivative of artemisinin...
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