Article
KIF21A pathogenic variants cause congenital fibrosis of extraocular muscles type 3.
Ophthalmic genetics - 1 Apr 2021
Al-Haddad Christiane, Boustany Rose-Mary, Rachid Elza, Ismail Karine, Barry Brenda, Chan Wai-Man, Engle Elizabeth
Abstract excerpt
Background: Congenital fibrosis of the extraocular muscles (CFEOM) is characterized by ptosis and non-progressive restrictive ophthalmoplegia. CFEOM1 is a stereotypical phenotype with isolated bilateral ptosis, bilateral ophthalmoplegia, absent upgaze, and globe infraduction. CFEOM3 is a more variable phenotype that can include unilateral disease, absent ptosis, residual upgaze, and/or orthotropia. Most cases of...
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