O03: Hydroxocobalamin (OHCbl) dose intensification can prevent visual deterioration and improve neurological and biochemical outcomes in CBLC deficiency - Charles Venditti; Jennifer Sloan; Wadih Zein; Audrey Thurm; Camryn Hall; Carol Van Ryzin; Susan Ferry; Abigael Gebremariam; Jennifer Myles; Laryssa Huryn; Brian Brooks; Irini Manoli (Genetics in Medicine Open)