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LiveScience
LiveScience
Clarissa Brincat

A new test could flag people at risk for anemia by filming their eyeballs — no needles required

A close-up image of a person's eye.

Researchers have developed a system that uses short videos of the eye to estimate a person's levels of red blood cells — no needles required.

The technology, described in a paper published April 8 in the journal npj Digital Medicine, correctly identified anemia more than 80% of the time in a trial involving 224 participants.

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