Inventing contact lenses to treat eye diseases

A joint research team from the United States and South Korea has developed contact lenses with micro-needles to inject drugs to treat eye diseases.

In the framework of the study published in the scientific journal "Science Advance", the study team from the Universities of Purdue and Michigan in the United States, Hanyang and Hongik Universities, and the Kumoh National Institute of Technology in South Korea stated that the new contact lenses proved successful after being tested on rabbits.

The methods of treating eye diseases currently depend on the use of drops that are placed on the outer parts of the eye or by injection, but researchers stress that this method is not ideal because it does not always lead to the arrival of the drug to the deep parts of the eye, and may sometimes cause infections .

The website "Medical Express", which specializes in medical sciences, stated that the new contact lenses contain biodegradable needles, and they are so tiny that they do not cause any pain or discomfort to the patient.

The micro-needles contain a silicone base and a drug mixture to ensure that it takes a sufficient period of time before it disintegrates inside the eye, while encasing the outside in a polymeric material.

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