Birk-Landau-Perez Syndrome, also known as psychomotor regression-oculomotor apraxia-movement disorder-nephropathy syndrome, is related to apraxia and ptosis. An important gene associated with Birk-Landau-Perez Syndrome is SLC30A9 (Solute Carrier Family 30 Member 9). Affiliated tissues include eye and kidney, and related phenotypes are agenesis of corpus callosum and ptosis