Social Media Sidebar


Please sign up, comment on articles and bring your friends!

Current poll

PlanetTech is asking:

What do you think about our new web site?

Love it, indeed
Really good solution
Same as old one
The old one was better
This is a new option

Quote of the day

Just because something doesn’t do what you planned it to do doesn’t mean it’s useless.


Thomas Edison

Living Eye Implant Uses Lab-Grown Cells to Restore Sight

Posted in Science on 15th Sep, 2016 09:55 AM by AlexMuller

Scientists were able to take samples of corneal cells from subjects’ eyes and cultivate the cells in a lab. Cells were regenerated and multiplied on a synthetic hydrogel film, then the film was implanted back into subjects’ eyes. At 50 micrometers, the film is similar in thickness to the average contact lens.


Its lab-grown corneal cells get to work restoring the balance of liquid below the cornea, and within two months the synthetic film biodegrades, leaving the healthy cells behind to continue maintaining the cornea’s moisture balance.

It’s important to note this procedure hasn’t been tested on humans, but it did restore vision in animals without causing adverse immune reactions. Clinical trials in humans are on track to start as soon as 2017, with life-changing implications for people suffering from corneal opacity.
And it’s not only people with this condition who can place new hope in technology; artificial solutions for different vision complications are advancing as quickly as biological solutions.
In 2013, the FDA approved the first bionic eye implant to treat retinitis pigmentosa, an inherited eye disease that causes the retina’s photoreceptor cells to degenerate. Users of the technology wear a pair of glasses equipped with a tiny video camera. Data goes from the camera to a video processing unit to a group of electrodes implanted on the retina. The electrodes transform the data into electrical impulses that stimulate the retina to produce images.
A procedure to counteract age-related macular degeneration, the leading cause of blindness in people over 55, removes the eye's natural lens and replaces it with a pea-sized telescopic lens that magnifies objects and projects images onto the retina’s remaining healthy area (portions of the retina cease to function normally in people with this condition).
These technologies have already helped restore sight to thousands of people, but they have a ways to go before reaching the biological equivalent of the human eye’s perfect vision. Patients with retinal or lens implants have reported issues like poor resolution, difficulty detecting high-speed motion, and a limited field of view. The retinal chip cannot yet display color, capturing images only in black and white.
With continued advances in both biological vision treatments like corneal cell regrowth and artificial solutions like the bionic eye, blindness could one day be an affliction of the past.

Tags: eyecornearegenerative medicinehealthsurgery

Read original article » Back to category



Recent headlines

  • Posted in Medicine on 2018-06-18 20:18:46
    Insight into role gut bacteria play in more
    Posted in Science on 2018-06-18 20:12:58
    Blood-based biomarker may predict whether you’ll more
    Posted in Science on 2018-06-17 23:45:17
    SpinLaunch raises $40M from Airbus, Google and others more
    Posted in Science on 2018-06-17 01:08:50
    New eyedrops could repair corneas, make glasses more
    Posted in Science on 2018-06-17 01:02:51
    121 giant exoplanets in habitable zones may more
Posted in Business on 2013-10-10 01:33
China is working towards a manned lunar mission in more
Posted in Business on 2013-10-20 07:17
Spacex says China is their main competitor for more
Posted in Software on 2013-10-20 06:43
Pirate Bay Browser Clocks 1,000,000 more
Posted in Medicine on 2013-10-10 02:10
Google reportedly investing hundreds of millions into more
Posted in Medicine on 2013-10-14 03:13
Endothelial Cells Can Repair and Regenerate Organs, more
Posted in Science on 01.01.2010
Spacex says China is their main competitor for more
Posted in Science on 01.01.2010
Staring at Your Phone Could Be Making You Short more
Posted in Science on 01.01.2010
Oculus Rift virtual reality headset coming to mobile, more
Posted in Science on 01.01.2010
China is working towards a manned lunar mission in more
Posted in Science on 01.01.2010
Delivering drugs via nanoparticles to target more

Recent Blog Posts

  • Posted by AlexMuller
    In five years quantum computing will be more
    Posted by AlexMuller
    Google partners with Johnson and Johnson to make lower more
    Posted by AlexMuller
    Electron holography microscope with spatial resolution down more
    Posted by AlexMuller
    Lower cost advanced Nuclear power could dominate future US more
    Posted by AlexMuller
    Why Hasn’t AI Mastered Language Translation? more

Login to your Account

Login to your PlanetTech Account here

Remember me

Create a New Account

You just need username and password

The following errors occured:
Verify password:
Remember me