Cone-Rod Dystrophy 18, also known as cord18, is related to alternating exotropia and partial central choroid dystrophy. An important gene associated with Cone-Rod Dystrophy 18 is RAB28 (RAB28, Member RAS Oncogene Family), and among its related pathways/superpathways is Ciliopathies. Related phenotypes are reduced visual acuity and cone/cone-rod dystrophy