Microphthalmia, Isolated 8, also known as isolated microphthalmia 8, is related to isolated microphthalmia-anophthalmia-coloboma and microphthalmia. An important gene associated with Microphthalmia, Isolated 8 is ALDH1A3 (Aldehyde Dehydrogenase 1 Family Member A3). Affiliated tissues include eye and retina, and related phenotypes are anophthalmia and short palpebral fissure