MOBILE WORLD CONGRESS, BARCELONA, Feb. 24, 2014 â SanDisk Corporation (NASDAQ: SNDK), a global leader in flash storage solutions, today announced the new 128GB 2 SanDisk Ultra Â® microSDXCâ¢ UHS-I memory card, the worldâs largest capacity microSD card.
It is composed of three concentric layers (also called coats) with different structures and functions. The tough outermost layer of the eye is known as the fibrous layer and is composed of two fused but physically quite different structures: Sclera â white of the eye. Cornea â window of the eye.
The Eye in Cross Section. When we look at a cross section of the eye, we can see the interior structures of the eye. The transparent portion at the very front of the eye is called the cornea. The cornea is a thin layer of cells that allows light to pass through the front of the eye. The lens of the eye sits behind the iris. The lens focuses the light that comes through the cornea onto the back of the eye.