Diabetes
is among the most rapidly rising ailments today. Market
research reports for healthcare estimate that around 390 million people
could possibly be suffering from diabetes with half of them not being properly
diagnosed at global level. Already developed equipment for easily testing blood
sugar level at home involves a drop of blood. More research has now led to
simple devices that perform the same function without having to prick the
finger for blood. The medical field is highly incorporating technological
developments into its procedures. Furthermore, big tech giants like Google are
also working towards integration of technology and medicine. One of the results
of this is the Google Contact Lens.
Until
recently most of the devices that were used to check the blood sugar level
relied on a drop of blood. This drop when fed into the device would generate
the result. Healthcare
industry research reports reveal
that devices like Accu Check and blood sugar test strips are popular. Google
has now moved beyond the primary requirement for blood whilst retaining
functionality. Google Contact Lenses do not require blood but instead rely on
tears and water released from eyes for calculating and monitoring the glucose
level whilst enhancing the vision of the wearer. The lens consists of a
wireless chip and a miniaturized glucose sensor. A tiny pin hole in the lens
allows the tear fluid to seep into the sensor to measure the blood sugar level.
Both of the sensors are embedded between two soft layers of lens material. The
electronics lie outside of both the pupil and the iris so there is no damage to
the eye. The wireless antenna present in each lens communicates the information
to a wireless device. The prototype being tested can generate a reading once
per second. Smart contact lenses are one of the most anticipated IoT (Internet
of Things) technologies. Similar developments are taking place in certain
regions around the world where the companies have managed to get patenets.
Scientists
from Uisan National Institute of Science and Technology in South Korea have
developed a soft and flexible contact lens that will allow diabetics to monitor
their blood sugar level with the blink of an eye by analyzing their tears and
using LED pixels in the device. The developers have laid extra focus on
improving vision and comfort of the wearer.
Oregon
State University professors from the US are researching a bio sensing contact
lens that has an ultra sensitive bio sensor that can detect the lowest glucose
concentrations present in tears. After being fully developed the technology
would transfer the information to a smart phone or other WI-FI/Bluetooth
devices. Swiss pharmaceutical giant Novartis teamed up with Google to develop
the Google Contact Lens. Many other companies are also planning to enter the
sphere of smart contact lenses despite modest developments. Google’s
development is leading the way for several others. Technology is being
developed that will work in similar fashion and detect oxygen levels, pulse
rate and even the presence of cancer.
From
an analysis of ongoing research we can conclude that there are two main
objectives of modern technology which are firstly, to increase monitoring and
secondly, to integrate technology and medicine. The researches that best prove
this fact are being carried out by some of the most technologically advanced
countries in the world led by the US and South Korea.
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