The reason for the recognised lack of epidemiological data of all NO conditions presenting to eye departments is attributed to the fact that they often fall in the grey zones between neuro-ophthalmologists, neurosurgeons and neurologists.
. It is anticipated that the findings of the study may then help to support better service planning and resource allocation, as well as identifying any early recognition of rare or emerging patterns.
Participants aged ≥ 18 years.
Participants seen at the Royal Wolverhampton NHS Trust's Eye Department.
Participants with a diagnosis of NO.
Participants aged < 18 years.
Participants who do not have a diagnosis of NO.
Participants who have opted out of their data being used for research (National Data Opt-out).