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DefinitionAdult-onset foveomacular vitelliform dystrophy is a rare, usually slow-moving eye condition that starts in adulthood (often in your 40s–60s). It affects the macula (the center of...
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DefinitionAdult-Onset Asthma with Periocular Xanthogranuloma (AAPOX) is a rare, multisystem inflammatory disorder characterized by the combination of new-onset asthma in adulthood and yellowish, xanthogranulomatous lesions around...
DefinitionAdult-Onset Vitelliform Macular Dystrophy (AVMD) is a rare eye condition that affects the macula, a small but crucial part of the retina responsible for sharp, central...
DefinitionKeratoconus is a progressive eye condition where the cornea, the clear outer layer of the eye, thins and bulges into a cone shape. When keratoconus advances...
DefinitionAdvancing wavelike epitheliopathy (AWE) is a chronic or recurrent disorder of the corneal epithelium characterized by well-demarcated, wavelike plaques of coarse, thickened cells that advance centripetally...
DefinitionAfrican eye worm is the common name for Loa loa, a tiny thread-like parasite (a filarial worm) that lives and moves in the soft tissues under...
DefinitionAfrican River Blindness, also called onchocerciasis, is a long-lasting infection caused by a tiny worm named Onchocerca volvulus. People get it when blackflies that live and...
DefinitionAge-Related Macular Degeneration (AMD) is a chronic eye condition that gradually destroys sharp, central vision, essential for activities like reading, driving, and recognizing faces. It affects...
DefinitionAgeism in Neuro-Ophthalmology refers to the stereotypes, prejudices, and discriminatory practices that affect older (and sometimes younger) patients when they seek neurological eye care. In practice,...
DefinitionAicardi syndrome is a rare neurodevelopmental disorder primarily affecting females, characterized by the absence of the corpus callosum, distinctive retinal lesions, and early-onset seizures. First described...
DefinitionAkinetopsia, often called cerebral motion blindness, is a rare neuropsychological disorder in which an individual loses the ability to perceive motion, despite retaining normal vision for...
