Changing patterns in paediatric optic atrophy aetiology: 1979 to 2015.

Background: To evaluate the aetiology of paediatric optic atrophy in an Australian population.

Design: Retrospective review of medical records was conducted at The Children's Hospital at Westmead, Sydney, Australia.

Participants: Two hundred twenty-seven subjects <16 years who were diagnosed with optic atrophy on fundoscopic examination between 1979 and 2015 were included in the study.