Millions of older people with poor vision are at risk of being misdiagnosed with mild cognitive impairments, according to a new study by the University of South Australia.

A simple eye test may make diagnosing the earliest stages of 'diseases of old age' possible when people are much younger, University of Otago researchers hope.

Combining information about the pattern of blood vessels in the retina with genetic data can enable accurate prediction of an individual's risk of coronary artery disease (CAD) and its potentially fatal outcome, myocardial infarction (MI).