Harminder Dua, a professor at the University of Nottingham has conducted a research to find out the number of layers in human cornea. Up to now it was believed that human cornea was made of only five layers, but with the findings of the Professor Harminder Dua, the anatomical description of the cornea has changed.
The professor and his team have used cornea that were donated for research purposes. Then they have injected air into these cornea to separate and visualize the layers easily. They have scanned each and every layer through an electron microscope. Through this technique they were able to find a new layer. They have named the new layer as 'Dua's Layer'.
They have also stated that the reason for corneal hydrops is tear of Dua's layer. They have also pointed out the association of this layer with many other diseases of the cornea. Therefore, the discovery of this layer will take the field of ophthalmology in to a whole new level.
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