has material basis in enhanced S-cone syndrome 2 DOID:0061232 disease_ontology A retinal disease that is characterized by an increased number of cones in the retina, primarily those expressing S-cone opsins that has_material_basis_in compound heterozygous and homozygous mutation in the NRL gene on chromosome 14q11. MIM:621371 enhanced S-cone syndrome autosomal recessive inheritance