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Rebekka Heitmar, Reader, Optometry and Vision Sciences, University of Huddersfield

HISTORICAL FACTS: How your eyes could help diagnose high blood pressure | History Defined

Signs of high blood pressure may be spotted in your eyes long before you're diagnosed with the condition. Olena Yakobchuk/ Shutterstock

Most people over the age of 40 regularly see an optometrist. But while most see their optometrist for an eye exam, many don’t realise just how much our eyes can tell someone about our health. In fact, your eyes may actually be one of the first parts of our body to show signs of high blood pressure – often before most people are even aware they have the condition.

An estimated 1.3 billion people worldwide have hypertension – but only half of these people are aware of it or have been diagnosed. Many people may be unaware they have high blood pressure because it has few warning signs or symptoms. This is also why it’s often called “the silent killer”.

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