View clinical trials related to Age-Related Macular Degeneration.
Filter by:To report the short term anatomic and visual acuity response after intravitreal injection of bevacizumab and ranibizumab in patients with choroidal neovascularization secondary to age-related macular degeneration.
The safety and comfort of repeated administrations of a topically-administered ophthalmic formulation of MC-1101 will be established through investigator assessments and subject reporting over a 3 day period. Safety assessments will be performed on both normal, healthy subjects as well as those with the signs and symptoms of early non-exudative age-related macular degeneration (dry AMD).
The FORESEE HOME is intended for the early detection of central and paracentral irregularities (abnormalities) in the visual field, most commonly associated with AMD. However, the device has ability to detect the development of the lesion post treatment and therefore to asses in determination of the next treatment.
The macular pigment (MP) in humans consists of the yellow, blue-absorbing carotenoids lutein and zeaxanthin, which are contained in vegetables and fruits. The highest concentrations of lutein and zeaxanthin are found in the fovea. Since light entering the eye passes through the MP before reaching the photo receptors it absorbs a significant portion of short-wavelength light. There is evidence that these absorbing properties of the MP as well as the ability of inactivating highly reactive oxygen species are protective for the retina. Measurement of macular pigment is difficult and the investigators have recently proposed a way of measuring macular pigment optical density (MPOD) based on optical reflectometry. There is increased interest in these measurements in the recent years, because a number of studies has provided evidence that low fruit and vegetable consumption increases the risk of age related macular degeneration (AMD). The present study investigates MP optical density (OD) in healthy volunteers and is used to form a database. Furthermore the nutritional habits and the influence on MP density will be evaluated.
The purpose of this study is to evaluate the safety, tolerability, and effects of investigational drug AL-39324 for the treatment of wet AMD.
Several methods have been proposed for the measurement of pulsatile ocular blood flow (POBF). The pneumatic tonometer, which is commercially available, assesses POBF by measurement of intraocular pressure (IOP) changes during the cardiac cycle. The investigators have recently developed a method for the measurement of ocular fundus pulsation, which is based on laser interferometry. In contrast to the Langham system the method is non-contractile and yields a high topographic resolution. Moreover, the pneumatic tonometer assesses the ocular pressure pulse, whereas ocular fundus pulsation is a point measure of the ocular volume pulse. These two parameters are related by the ocular rigidity, which refers to the mechanical properties of the eye coats. Age-related macular degeneration (AMD) is the most common cause of blindness in the industrialized nations. The mechanisms behind this severe eye disease are, however, still obscure. It has been hypothesized that alterations in choroidal blood flow and ocular rigidity may contribute to the development and progression of AMD. However, there is currently little data to confirm this hypothesis. The present study is an attempt to investigate choroidal blood flow and ocular rigidity by employing laser interferometric measurement of fundus pulsation and pneumotonometric measurement of fundus pulsation.
Docosahexaenoic acid (DHA) supplementation has been shown to prevent specific age-related changes in the retina through biochemical and functional evaluations, but it is unclear whether increased DHA intake-reflected through elevated DHA+EPA blood levels-can affect the natural history and progression of age-related macular degeneration (AMD). AMD is a disease affecting the macula, the part of the eye containing cone photoreceptors at the center of the visual field. The macula is responsible for vision in most daily functions, including reading, seeing fine details, and colour recognition. Severe AMD can lead to a central scotoma, severely impairing daily functioning. AMD can be divided into two forms: the more severe wet AMD, consisting of proliferation of new blood vessels in the retina, and dry AMD characterized by the development of drusen, a buildup of extracellular material . The investigators are focused on the group with the highest risk of developing the two advanced forms of AMD [wet AMD or central geographic atrophy]: patients with unilateral wet AMD and dry AMD in their other eye. The study will consist of following up a cohort of such subjects and monitoring their visual function in a comprehensive manner. Working in concert with clinical ophthalmologists and basic scientists, the investigators will monitor "DHA+EPA" and "Omega6:Omega3 fatty acid ratio" levels in the blood, inherited predispositions through genetic analysis, lipofuscin (an accumulated waste product) levels & AMD progression via fundus photography, visual acuity, and retinal function via full-field and multifocal electroretinograms. These different factors will be cross-correlated and evaluated to determine how omega-3 fatty acids affect the progression of AMD.
The purpose of this study is to evaluate the usability of the Foresee Home device with intermediate AMD patients.
This is a pilot interventional study whose aim is to determine the effect of a dietary supplementation with a Crocus Sativus extract, Saffron, on macular cone-mediated function in patients with early age-related macular degeneration (AMD). Pre-clinical evidence ( Maccarone R, Di Marco S, Bisti S. Saffron supplement maintains morphology and function after exposure to damaging light in mammalian retina. Invest Ophthalmol Vis Sci. 2008 Mar;49(3):1254-61.) indicates the potential effectiveness of Saffron as a retinal neuroprotectant in animal models of retinal degenerative disorders.The macular function will be tested by visual acuity and macular cone-mediated electroretinogram (focal electroretinogram, FERG) according to a standardized technique (see citations).
The objectives of this study are to evaluate the safety and tolerability of ARC1905 intravitreous injection in subjects with geographic atrophy secondary to dry age-related macular degeneration (AMD).