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Wagner syndrome(WGN1)

MedGen UID:
Concept ID:
Synonyms: Erosive Vitreoretinopathy; Hyaloideoretinal degeneration of Wagner; VCAN-Related Vitreoretinopathy; Wagner disease (formerly); Wagner syndrome type 1; Wagner vitreoretinal degeneration; WAGNER VITREORETINOPATHY; WGN1
Gene (location): VCAN (5q14.2-14.3)
OMIM®: 143200

Disease characteristics

Excerpted from the GeneReview: VCAN-Related Vitreoretinopathy
VCAN-related vitreoretinopathy, which includes Wagner syndrome and erosive vitreoretinopathy (ERVR), is characterized by “optically empty vitreous” on slit-lamp examination and avascular vitreous strands and veils, mild or occasionally moderate to severe myopia, presenile cataract, night blindness of variable degree associated with progressive chorioretinal atrophy, retinal traction and retinal detachment in the advanced stages of disease, and reduced visual acuity. Optic nerve inversion as well as uveitis has also been described. Systemic abnormalities are not observed. The first signs usually become apparent during early adolescence, but onset can be as early as age two years. [from GeneReviews]
Barbara Kloeckener-Gruissem  |  Christoph Amstutz   view full author information

Additional descriptions

Wagner vitreoretinopathy is a rare vitreoretinal degeneration inherited as an autosomal dominant trait, first described in a large Swiss pedigree (Wagner, 1938) and subsequently identified in other families. Penetrance in Wagner syndrome is complete, and the disease manifests in childhood or adolescence with a progressive course. Affected individuals usually present with an 'empty' vitreous cavity with fibrillary condensation or avascular strands and veils. Additional features, which are variable and age-dependent, include chorioretinal atrophy with loss of the retinal pigment epithelium (RPE), lattice degeneration of the retina, complicated cataracts, mild myopia, and peripheral traction retinal detachment. Rod and cone electroretinography shows reduced b-wave amplitude and correlates with severe chorioretinal pathology. It is believed that liquefaction of vitreous initiates a degenerative cascade that results in the complex eye phenotype of Wagner syndrome (summary by Kloeckener-Gruissem et al., 2006). Patients with additional ocular features such as progressive nyctalopia (night blindness), visual field constriction, and chorioretinal atrophy, with loss of RPE and choriocapillaries on fluorescein angiography and rod-cone abnormalities on electroretinography, were initially believed to have a distinct clinical entity, which was designated 'erosive vitreoretinopathy' (ERVR). Extraocular abnormalities are not present in patients diagnosed with Wagner or erosive vitreoretinopathy (summary by Mukhopadhyay et al., 2006).
From GHR
Wagner syndrome is a hereditary disorder that causes progressive vision loss. The eye problems that lead to vision loss typically begin in childhood, although the vision impairment might not be immediately apparent.In people with Wagner syndrome, the light-sensitive tissue that lines the back of the eye (the retina) becomes thin and may separate from the back of the eye (retinal detachment). The blood vessels within the retina (known as the choroid) may also be abnormal. The retina and the choroid progressively break down (degenerate). Some people with Wagner syndrome have blurred vision because of ectopic fovea, an abnormality in which the part of the retina responsible for sharp central vision is out of place. Additionally, the thick, clear gel that fills the eyeball (the vitreous) becomes watery and thin. People with Wagner syndrome develop a clouding of the lens of the eye (cataract). Affected individuals may also experience nearsightedness (myopia), progressive night blindness, or a narrowing of their field of vision.Vision impairment in people with Wagner syndrome can vary from near normal vision to complete loss of vision in both eyes.

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