MYO7A and retinitis pigmentosa: The proband (IV.1) in family 4 and his affected siblings (IV.2, IV.3, IV.5) were diagnosed with Usher syndrome and revealed a homozygous pathogenic missense c.470G>A, p.(Ser157Asn) variant [34] in MYO7A. Ophthalmological examination of the proband IV.3 revealed high myopia, cataract, and retinitis pigmentosa in both eyes.