X

Wild Discovery: an Extra Body Part

Turns out the eye's cornea has 6 layers, not 5
By Matt Cantor,  Newser User
Posted Jun 13, 2013 8:42 AM CDT
Updated Jun 16, 2013 11:06 AM CDT

(Newser) – You've got a body part you've never heard of—and neither had anyone else, until now. Scientists have discovered a sixth layer in the eye's cornea, which was previously believed to have just five layers. The new layer, which researcher Harminder Dua has dubbed Dua's layer, is only 15 microns thick, Popular Science reports. For comparison, Discovery News reports the layer is "smaller than beach sand and mist"; the entire cornea measures 550 microns thick. Still, Science Daily describes it as "incredibly tough and strong."

story continues below

But the find could have big implications for health: A tear in the layer is likely the cause of a disorder called corneal hydrops, in which fluid builds up in the area. The discovery of the layer could lead to better surgery for related problems. "This is a major discovery that will mean that ophthalmology textbooks will literally need to be re-written," Dua says. (Read more anatomy stories.)

We use cookies. By Clicking "OK" or any content on this site, you agree to allow cookies to be placed. Read more in our privacy policy.
Get the news faster.
Tap to install our app.
X