Microphthalmia, Isolated 2, also known as isolated microphthalmia 2, is related to microphthalmia, syndromic 9 and fryns microphthalmia syndrome. An important gene associated with Microphthalmia, Isolated 2 is VSX2 (Visual System Homeobox 2), and among its related pathways/superpathways are Gastrulation and Neurogenesis regulation in the olfactory epithelium. Affiliated tissues include eye and retina, and related phenotypes are opacification of the corneal stroma and microphthalmia