India, UK scientists develop ‘smart contact lens' to detect eye infections https://ift.tt/Ze1oYBP

Currently, detecting which bacteria or fungus is present in an eye infection is an invasive process in which a scraping of the patient's eye is taken under anaesthetic. The sample is then cultured for two days before being studied under a microscope. The new test would involve the patient wearing the special lens for an hour, with the results determined soon afterwards.

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