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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 ...
Convergence insufficiency. Convergence Insufficiency. Other names. Convergence disorder. Specialty. Ophthalmology, optometry. Convergence insufficiency is a sensory and neuromuscular anomaly of the binocular vision system, characterized by a reduced ability of the eyes to turn towards each other, or sustain convergence .
Specialty. Ophthalmology. Epiretinal membrane or macular pucker is a disease of the eye in response to changes in the vitreous humor or more rarely, diabetes. Sometimes, as a result of immune system response to protect the retina, cells converge in the macular area as the vitreous ages and pulls away in posterior vitreous detachment (PVD).
The FDA approved two biosimilars for Eylea (aflibercept), a drug used to treat age-related macular degeneration, diabetic retinopathy and other eye conditions. Biosimilars Yesafili and Opuviz...
Homonymous hemianopsia. Hemianopsia, or hemianopia, is a visual field loss on the left or right side of the vertical midline. It can affect one eye but usually affects both eyes. Homonymous hemianopsia (or homonymous hemianopia) is hemianopic visual field loss on the same side of both eyes. Homonymous hemianopsia occurs because the right half ...
Macular degeneration happens with age, when the macula, at the center of the retina — “the part of the eye that sees the world for us,” Dr. Vlad Diaconita, a retinal and vitreoretinal ...
Ophthalmology. Macular telangiectasia is a condition of the retina, the light-sensing tissue at the back of the eye that causes gradual deterioration of central vision, interfering with tasks such as reading and driving. Type 1, a very rare disease involving microaneurysms in the retina, typically affects a single eye in male patients, and it ...
Fuchs spot. The Fuchs spot (also known as Förster-Fuchs' Spot [1]) is a degeneration of the macula in cases of high myopia. It is named after the two persons who first described it: Ernst Fuchs, who described a pigmented lesion in 1901, and Forster, who described subretinal neovascularization in 1862. [2]
Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]
Avacincaptad pegol (Izervay) was approved in the United States in August 2023 for the treatment of geographic atrophy secondary to age-related macular degeneration. It was recently discovered that the aging pigment lipofuscin can be broken down with the help of melanin and drugs through a newly discovered mechanism (chemical excitation).