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DefinitionAcute Macular Neuroretinopathy (AMN) is a rare eye condition that affects the macula, the central part of the retina responsible for sharp, detailed vision. It typically...
DefinitionAcute Posterior Multifocal Placoid Pigment Epitheliopathy (APMPPE) is a rare, acute, inflammatory chorioretinal disorder classified among the “white dot syndromes.” It predominantly affects young adults (mean...
DefinitionAcute retinal necrosis (ARN) is a rare but serious inflammatory condition of the eye characterized by rapid, full-thickness death of retinal tissue, typically beginning in the...
DefinitionAcute Retinal Pigment Epitheliitis (ARPE), sometimes called Krill’s disease, is a rare, self‐limiting inflammation of the retinal pigment epithelium (RPE). The RPE is a thin layer...
DefinitionAcute Retinal Pigment Epitheliitis (ARPE), also known as Krill’s disease, is a rare, idiopathic, self-limiting inflammatory disorder affecting the macula of otherwise healthy young adults. It...
DefinitionAcute Zonal Occult Outer Retinopathy, or AZOOR, is a rare eye condition. It starts suddenly. People notice bright flashes of light (called photopsia) and patchy areas...
DefinitionAcute Zonal Occult Outer Retinopathy (AZOOR) is a rare retinal disease first described by J. Donald Gass in 1992. It is classified within the “white dot...
DefinitionADAMTSL4-related eye disorders are rare autosomal recessive conditions characterized by lens displacement (ectopia lentis), often with pupillary displacement in some cases (ectopia lentis et pupillae). The...
DefinitionAdaptive optics (AO) is an advanced technology used to improve the clarity and resolution of images taken through systems that suffer from optical distortions. Originally developed...
DefinitionAdenoid cystic carcinoma of the lacrimal gland is a rare but aggressive malignant tumor that arises from the secretory epithelial cells of the tear-producing lacrimal gland....
DefinitionAdie pupil—also called Adie’s tonic pupil—is a neurological condition in which one or both pupils are abnormally dilated (larger than normal) and react poorly or sluggishly...
