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Smartphones Can Now Prevent Blindness and Monitor Glaucoma

September 2, 2014


Glaucoma is a a condition of increased pressure within the eyeball, causing gradual loss of sight.


Scientists have proposed a way to monitor glaucoma using a tiny device implanted in the eye. Readings from the device could be monitored by a smartphone. The technology could help prevent some people from going blind.


The tiny device is a sensor which is only a few millimeters wide, is embedded in synthetic lenses. These are used to replace the natural lenses that people with cataracts have. The way the sensor works is like a small barometer. Pressure causes fluid inside the sensor to move. The movement of the fluid can be tracked with a smartphone camera that has a special optical adapter.


There are some limitations to the device but the technology is still very promising. 




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