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Eye injections could give humans night vision


Posted on Thursday, 28 February, 2019 | Comment icon 9 comments

Imagine being able to see in the dark without needing night vision goggles. Image Credit: sxc.hu
Scientists have successfully given mice the ability to see in near-infrared by injecting nanoparticles in to their eyes.
The research, which was conducted by a team lead by Tian Xue from the University of Science and Technology of China and Gang Han from the University of Massachusetts Medical School, involved injecting nanoparticles in to the eyes of laboratory mice which anchored themselves to photoreceptor cells and 'upconverted' near-infrared light in to visible light.

This additional vision reportedly lasted for around ten weeks before wearing off, during which time the mice were not only able to see in near-infrared but could also see normal visible light as well.

What's more, there doesn't seem to be any reason why this method won't work on human eyes too, thus opening up the possibility of being able to see in the dark without external equipment.

"These extensive experiments leave no doubt that mice injected with infrared-sensitive nanoparticles gain the ability to detect infrared light and obtain visual information from it," said Prof Vladimir J. Kefalov of Washington University in St. Louis who was not involved in the research.

"However, it is not clear whether achieving practical infrared vision in humans will require repetitive injections and, if so, whether such chronic treatment will have adverse long-term effects on the structure and function of our eyes."

Source: Gizmodo | Comments (9)

Tags: Night Vision, Eyes, Nanoparticles

Recent comments on this story
Comment icon #1 Posted by Seti42 on 28 February, 2019, 19:28
I'd rather wear the goggles if I really need to see in the dark, thanks.
Comment icon #2 Posted by EBE Hybrid on 28 February, 2019, 21:37
Sign me up, sounds awesome
Comment icon #3 Posted by paperdyer on 1 March, 2019, 0:57
Having glacoma, working on curing that would be higher on my ist than increasing our visual range.
Comment icon #4 Posted by OverSword on 1 March, 2019, 2:48
https://goo.gl/images/QHL2YU Darn it! Can’t seem to insert an image with phone. 
Comment icon #5 Posted by cathya on 1 March, 2019, 16:43
Kinda like Riddick.
Comment icon #6 Posted by openozy on 2 March, 2019, 4:31
Medical Cannabis relieves the symptoms without bad side effects.
Comment icon #7 Posted by EnderOTD on 2 March, 2019, 6:51
...and the good side effects are very enjoyable...
Comment icon #8 Posted by EnderOTD on 2 March, 2019, 7:00
I fear for whoever volunteers for the first human trials, you don’t (bleep) with your eyes man!  I could see it being a great asset for the military, search and rescue, mining, lasertag, and security though.  And yes the obligatory Riddick mention, first thing that came to mind too.
Comment icon #9 Posted by Tatetopa on 3 March, 2019, 9:39
I had my lenses replaced due to cataracts.  On the down side, plastic lenses cannot change shape like your natural ones; you must choose near focus or far focus.  I chose far focus so I am totally dependent on reading and computer glasses to focus on the near --at- hand.  Yet, I can see the leaves on trees once more.  Rather exciting.  If you have ever tried to ski with corrective lenses, or even walk in the rain, you know  that it is a pain.  No longer. On the up side, my light gathering power is increased, everything looks brighter.   My night vision is somewhat improved.   Also, a grey shro... [More]


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