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The grid was developed by Marc Amsler, a Swiss ophthalmologist. It is a diagnostic tool that aids in the detection of visual disturbances caused by changes in the retina, particularly the macula (e.g. macular degeneration, Epiretinal membrane), as well as the optic nerve and the visual pathway to the brain. Amsler grid usually help detecting ...
AMD Alliance International is a non-profit coalition of the world’s leading vision, seniors and research organizations working to raise awareness of age-related macular degeneration, understanding of available options for prevention, early detection, treatment, rehabilitation and support services. It is the only international organization in ...
8.7% global prevalence in 2020 [2] Macular degeneration, also known as age-related macular degeneration (AMD or ARMD), is a medical condition which may result in blurred or no vision in the center of the visual field. [1] Early on there are often no symptoms. [1] Over time, however, some people experience a gradual worsening of vision that may ...
Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.
Formerly called. The American Health Assistance Foundation. BrightFocus Foundation is a nonprofit organization based in Clarksburg, Maryland. BrightFocus funds research in an effort to discover cures for Alzheimer's disease, macular degeneration and glaucoma, and provides information and free English and Spanish resources to increase awareness ...
1:30,000 to 1:50,000. Leber's hereditary optic neuropathy (LHON) is a mitochondrially inherited (transmitted from mother to offspring) degeneration of retinal ganglion cells (RGCs) and their axons that leads to an acute or subacute loss of central vision; it predominantly affects young adult males. LHON is transmitted only through the mother ...