Do retinal microvascular signs predict ischaemic heart disease subtype? The Australian Heart Eye Study (AHES)

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Narrowing of the large vessels of the heart and abnormal function of the small vessels are both causes of coronary heart disease and chest pain.There are few non-invasive investigations to help differentiate between large and small vessel disease and assess one’s risk of developing disease in the future.The study uses retinal photography and coronary angiography to assess whether changes in the structure of the blood vessels of the eye may be used to identify the type of coronary heart disease as well as the risk of future cardiac events.