800x600 to report the efficacy of combination therapy (bevacizumab and photocoagulation) in a case of eales disease this study has been performed. bevacizumab (avastin, 1.25 mg/0.05 ml) was injected intravitreously for the treatment of iris and retinal neovascularization in a 56-year old hispanic female with photocoagulation treatment to control the recurrence of vitreous haemorrhage. our resul...

objective: to determine the sensivity and specifity of ocular ultrasonography in detecting vitreoretinal lesion prior to deep vitrectomy in patients with opaque media. method: the hospital records of patients undergoing deep vitrectomy in a defined period at shiraz khalili hospital were reviewed. sonographic reports given by a sonologist and operation reports given by a vitreoretinal fellowship...

purpose: to determine the visual and anatomical outcomes and complications of vitrectomy for non-traumatic non-diabetic vitreous hemorrhage (ndvh) and to report the causes of the condition among patients at labbafinejad medical center, tehran-iran, from 1993 to 2003. method: records of patients who underwent vitrectomy for non-traumatic ndvh with 6 months follow up were reviewed for demographic...

The incorporation of U-^C-glucose into the nondialyzable polymers of the vitreous was studied both in vitro, xoith bovine tissue preparations, and in vivo, after the infusion of radioactive glucose through the lateral long ciliary artery of the cat. The radioactivity present in glucosamine isolated after Doioex 50 chromatography was taken as a measure of hyaluronic acid synthesis. It was found ...

It is well known that the vitreous forms 80% of the ocular body and consists of water (98%) and a network of collagen fibrils and hyaluronic acid (2%). Thus, the vitreous is typically characterised as a transparent gel firmly attached to the retina. Vitreal transparency is key as it allows transmission of light through unobstructed media to the retina for visual stimulation. With age, the vitre...

BACKGROUND To report our findings in a patient with asteroid hyalosis (AH) who had a severe reduction of his visual acuity following cataract surgery. The vision was improved by vitreous surgery. CASE PRESENTATION The patient was an 81-year-old man. Following cataract surgery on his left eye, his decimal best-corrected visual acuity (BCVA) was markedly reduced from 0.2 to 0.02. A large number...

PURPOSE To evaluate the technique of vitreous tap using needle aspiration for management of anterior chamber shallowness during phacoemulsification. METHODS A retrospective study included 26 eyes of 17 patients who underwent phacoemulsification in which vitreous tap was performed using a 27-gauge needle attached to a 5 ml syringe, inserted 3.5 mm from the limbus to aspirate 0.2 ml of liquefie...

PURPOSE Opticin is a small leucine-rich repeat proteoglycan that is abundant in several ocular tissues, including the vitreous. Like other proteoglycans, opticin may have the ability to bind and regulate the release of growth factors. Previous work has shown that isoforms of growth hormone (GH) are present in the embryonic retina, where they may act as a growth factor. The current study was con...

The fluorescein kinetics in the vitreous was simulated with a computer to consider several factors such as permeability of the blood-retinal barrier, outward active transport, plasma fluorescein dynamics, diffusion of fluorescein in the vitreous, and fluorescein leakage from the blood-aqueous barrier. Kinetic vitreous fluorophotometry was performed in normal individuals to estimate the inward a...

To understand the role of tissue inhibitors of metalloproteinase-1 and -2 (TIMP-1 and TIMP-2) in intraocular diseases, levels of TIMP-1 and TIMP-2 were measured by enzyme immunoassay in 47 patients with various ocular diseases: in subretinal fluid of 7 patients with rhegmatogenous retinal detachment and in vitreous of 12 patients with proliferative diabetic retinopathy, 4 with proliferative vit...