Wednesday, 27 March 2019

How the world's tiniest implant which you cannot see with the naked eye can stop you going blind

Little bigger than a grain of sand, this is officially the world’s smallest medical implant. Yet the tiny device is set to transform treatment for tens of thousands in the UK who are at risk of blindness due to glaucoma.

The £900 i-Stent – a hollow metal tube about ten times smaller than a grain of rice – is so minuscule it can only be implanted in the eye using a high-powered microscope.

Once in place, it drains off harmful fluid that accumulates in the eyeball and which puts pressure on the optic nerve, potentially causing irreversible vision loss.


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