Poretti-Boltshauser Syndrome, also known as ataxia - intellectual disability - oculomotor apraxia - cerebellar cysts syndrome, is related to myopia and apraxia. An important gene associated with Poretti-Boltshauser Syndrome is LAMA1 (Laminin Subunit Alpha 1). Affiliated tissues include eye and pons, and related phenotypes are ataxia and cognitive impairment