SNOMED CT, US Edition

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/SNOMEDCT/232049001
http://purl.bioontology.org/ontology/SNOMEDCT/232049001
Preferred Name

Adult vitelliform macular dystrophy

Definitions
A rare, genetic, macular dystrophy characterized by blurred vision, metamorphopsia and mild visual impairment secondary to a slightly elevated, yellow, egg yolk-like lesion located in the foveal or parafoveal region. A rare genetic macular dystrophy with characteristics of blurred vision, metamorphopsia and mild visual impairment secondary to a slightly elevated yellow egg yolk-like lesion located in the foveal or parafoveal region. Clinical onset is typically between the fourth and sixth decade of life. The mechanism underlying the physiopathology is unknown. An autosomal dominant inheritance with variable expression and incomplete penetrance is suggested but the disease can also be sporadic without evidence of a familial inheritance pattern. A rare, genetic, macular dystrophy characterised by blurred vision, metamorphopsia and mild visual impairment secondary to a slightly elevated, yellow, egg yolk-like lesion located in the foveal or parafoveal region.
Synonyms
Adult vitelliform macular dystrophy (disorder)
Adult-onset vitelliform macular dystrophy
Gass disease
AVMD - adult vitelliform macular dystrophy
Pseudo-Best disease
Adult-onset foveomacular dystrophy
AOFMD - adult-onset foveomacular dystrophy
Pseudo-vitelliform macular dystrophy
Type http://www.w3.org/2002/07/owl#Class
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