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From eye exams to blood tests and surgery: how doctors use light to diagnose disease

  • Written by The Conversation
From eye exams to blood tests and surgery: how doctors use light to diagnose diseasemegaflopp/Shutterstock

This is the next article in our ‘Light and health’ series, where we look at how light affects our physical and mental health in sometimes surprising ways. Read other articles in the series.


You’re not feeling well. You’ve had a pounding headache all week, dizzy spells and have vomited up your past few...

Read more: From eye exams to blood tests and surgery: how doctors use light to diagnose disease

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