Glaucoma, an eye condition that affects about 80 million people worldwide, might one day be treatable using a smart contact lens that delivers drugs to the eye when they are needed.
Contact lenses like this one can already improve vision – but in future they might also help treat glaucomaA wireless contact lens device could help treat the eye condition glaucoma by monitoring the build-up of pressure inside the eye and automatically delivering drugs when it rises too high.
The condition is commonly treated using drugs that help drain excess fluid from the eye, administered in the form of eye drops. But people may fail to stick to their treatment schedule, according toThey designed a prototype contact lens device that can sense eye pressure and release glaucoma drugs when needed. The outer layer of the lens has six tiny copper plates arranged in a ring around the pupil that sense eye deformation caused by a rise in eye pressure.
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