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Article

Cone responses in Usher syndrome types 1 and 2 by microvolt electroretinography.

Investigative ophthalmology & visual science - 25 Nov 2014

Zein Wadih M, Falsini Benedetto, Tsilou Ekaterina T, Turriff Amy E, Schultz Julie M, Friedman Thomas B, Brewer Carmen C, Zalewski Christopher K, King Kelly A, Muskett Julie A, Rehman Atteeq U, Morell Robert J, Griffith Andrew J, Sieving Paul A

Abstract excerpt

PURPOSE: Progressive decline of psychophysical cone-mediated measures has been reported in type 1 (USH1) and type 2 (USH2) Usher syndrome. Conventional cone electroretinogram (ERG) responses in USH demonstrate poor signal-to-noise ratio. We evaluated cone signals in USH1 and USH2 by recording microvolt level cycle-by-cycle (CxC) ERG. METHODS: Responses of molecularly genotyped USH1 (n = 18) and USH2 (n = 24)...

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Identifiers

PMID: 25425308
DOI: 10.1167/iovs.14-15355
PMCID: PMC4288141

Genes

ERG

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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