Finnish scientists have created an artificial iris of the eye

Date:

2017-06-26 17:00:04

Views:

4137

Rating:

1Like 0Dislike

Share:

Finnish scientists have created an artificial iris of the eye Source:

The human Eye – a device is quite tricky. For example, depending on the level of the surrounding light, our pupils change size, so we can better see in the dark or blinded by bright sunlight. Scientists have long tried to recreate artificially such a mechanism, but nothing worked. However, researchers from Finland figured out how to implement a fully Autonomous diaphragm without use of any sensors and mechanisms. In the future, such artificial iris can be used to treat patients , as well as in robotics.

The idea of the artificial iris belongs to a team of researchers from the Technological University of Tampere, led scientists to ARRI priimagi. They created the aperture has a diameter of 14 millimeters and 12 separate petals. Disc artificial iris is made of liquid crystal material responsive to heat. In its composition the researchers added the red paint, allowing the iris to respond not only to heat but to light. In the dark petals of the diaphragm is curtailed and the pupil is wide, but as soon as they exposed to strong light, the petals unfold, reducing the diameter of the inlet.

In the human eye change the pupil size is a special sphincter – a circular muscle is controlled parasympathetic nervous system. Current artificial iris is not able to change the size of the pupil, protecting people's eyes from bright light, however, almost depriving human vision in low light. Finnish scientists believe that they can improve his invention, even in the closed state while the diaphragm transmits about 10% of the world. In addition , the artificial iris can be used in robotics and photosensitive cells.

Recommended

Can genes create the perfect diet for you?

Can genes create the perfect diet for you?

Diet on genotype can be a way out for many, but it still has a lot of questions Don't know what to do to lose weight? DNA tests promise to help you with this. They will be able to develop the most individual diet, because for this they will use the m...

How many extraterrestrial civilizations can exist nearby?

How many extraterrestrial civilizations can exist nearby?

If aliens exist, why don't we "hear" them? In the 12th episode of Cosmos, which aired on December 14, 1980, co-author and host Carl Sagan introduced viewers to the same equation of astronomer Frank Drake. Using it, he calculated the potential number ...

Why does the most poisonous plant in the world cause severe pain?

Why does the most poisonous plant in the world cause severe pain?

The pain caused to humans by the Gimpi-gympie plant can drive him crazy Many people consider Australia a very dangerous place full of poisonous creatures. And this is a perfectly correct idea, because this continent literally wants to kill everyone w...

Comments (0)

This article has no comment, be the first!

Add comment

Related News

Uranus never ceases to amaze scientists

Uranus never ceases to amaze scientists

If David Lynch was commissioned to develop the planet, then this planet would definitely become Uranium. Because with this degree of strangeness that surround it and sometimes have no logical explanation, could handle only the Dir...

How close are we to the first successful human cloning?

How close are we to the first successful human cloning?

human Cloning has become a very popular subject of science fiction, and we are desperate to wait for him to step over from the pages and screens in real life. However, in fact, we can be much closer to it than usual for us sci-Fi ...

Physicists have discovered how to actually create plasma emissions from the Sun

Physicists have discovered how to actually create plasma emissions from the Sun

After more than a century of observations and several theories, scientists seem to finally have figured out the nature of the fast plasma emission occurring several times a day. Using a high level computer model, the researchers w...

Engineers NII

Engineers NII "Polyus" developed automatic control system, the condition of buildings

Software and hardware, developed by engineers at research Institute "Polyus" and the holding company «Schwabe» will effectively monitor the condition of buildings, identifying defects in construction and thus promptly co...

By 2050 the world population will be 9.7 billion people

By 2050 the world population will be 9.7 billion people

the Rapid development of medical technology over recent decades allows mankind to increase in average life expectancy and to give birth to more healthy children. According to the above UN Department of economic and social Affairs ...

Found the missing link in evolution between fish and amphibians

Found the missing link in evolution between fish and amphibians

Today it is believed that the release of the first fish on dry land, and transformation fins into limbs for movement took place 370-375 million years ago, and the first amphibians appeared 20-30 million after this point. But all n...

Multidimensional mathematical world... in your head

Multidimensional mathematical world... in your head

Two thousand years ago the ancient Greeks looked into the night sky and saw the geometric forms that occur among the stars: a hunter, a lion, a bowl of water. In a sense, they used these constellations to give a sense of the rando...

New evidence: dawn of the dinosaurs has ensured volcanoes

New evidence: dawn of the dinosaurs has ensured volcanoes

Perhaps the dinosaurs should thank the volcanoes for their domination of the planet. At least according to one theory. Most scientists believe that the onset of volcanic activity 200 million years ago led to mass extinction, which...

Something massive is on the outer edge of the Solar system

Something massive is on the outer edge of the Solar system

Astronomers already far not the first year I suspect or at least suggest, the presence of one, and probably several remote planets of the relay around the Sun. However, our ground-based telescopes are not able to see these objects...

Curiosity Rover has acquired artificial intelligence

Curiosity Rover has acquired artificial intelligence

the Mars science laboratory, NASA called faithfully serve earth science for almost five years. During this time the Rover has come a long way lasting more than 15 000 kilometers on the surface of the red planet. The transfer proce...

ESA will launch the telescope PLATO in 2026

ESA will launch the telescope PLATO in 2026

According to specialists of the European space Agency, the telescope PLATO, to build and launch, which began in 2014, will help in finding twins of Earth and habitable exoplanets. project Leader PLATO at EKA Gizon Laurent explai...

The popular theory of the origin of the Universe has problems

The popular theory of the origin of the Universe has problems

the Universe had a beginning. But what had started it? It was in the beginning? We know that it all started with a fairly quick expansion and ended with the emergence of a large number of galaxies, is made of small particles. But ...

Testing flying taxi Volocopter will begin this year

Testing flying taxi Volocopter will begin this year

the German company has decided the first test of a flying taxi in Dubai. Double Quad 2X is equipped with eighteen motors that allow it to reach speeds of up to one hundred kilometers per hour. On one charge the device can fly up t...

Schrödinger's cat can be saved, even without looking at the box

Schrödinger's cat can be saved, even without looking at the box

the Scientists used an artificial atom, to show the ability to save schrödinger's cat in a living state for an indefinite period, and precipitating his death. In order and you don't even need to look in the drawer where the cat no...

The next stage of human evolution may be a cyborg

The next stage of human evolution may be a cyborg

Medicine progresses very quickly. Advances in robotics, implants and other assistive technologies do not cease to please us. If we, the people, will eventually evolve into cyborgs? How society will change in this case? A cyborg is...

China invited Roskosmos to take part in the project of a new space station

China invited Roskosmos to take part in the project of a new space station

Chapter «Roskosmos» Igor Komarov said on Monday that China has offered the state Corporation to participate in the development of the space station. While Russia has not adopted a specific decision, but negotiations are ...

How close are we to creating a real medical tricorder?

How close are we to creating a real medical tricorder?

Science inspires science fiction, or Vice versa? In the case of medical technology, good old TV series "Star trek" (Star Trek) inspired a generation of researchers around the world. Not long ago, two teams were awarded the Qualcom...

NASA announced the discovery of 10 more earth-like planets

NASA announced the discovery of 10 more earth-like planets

astronomers at the American space Agency NASA on Monday announced the opening 219 new objects outside the Solar system, most of which may represent the planet. Furthermore, astronomers believe that 10 worlds of this list are plane...

China invited Roskosmos to take part in the project of a new space station

China invited Roskosmos to take part in the project of a new space station

Chapter «Roskosmos» Igor Komarov said on Monday that China has offered the state Corporation to participate in the development of the space station. While Russia has not adopted a specific decision, but negotiations are ...

The researchers, alternatives to the Big Bang theory is not. Yet

The researchers, alternatives to the Big Bang theory is not. Yet

the Accepted scientific model of the Universe is still the Big Bang model. Attempts to prove its inadequacy to explain the origin of existence with a much more simple point of view, of course. One of the last, for example, you can...