• Cornea is the transparent outermost layer of the human eye. Technically speaking, the cornea is not a single layer; it’s made of five delicate membranes that are arranged one below the other. Cornea plays a major role in focussing your vision; its transparency and its curvy shape helps in refracting light from an object in a way that it falls at the perfect spot on the retina thereby enabling sharpness of vision. In addition to this, the cornea also acts as a protective layer preventing all the dust, dirt and germs from entering into the inside of our eyes. Now, that’s quite an important role to play, ain’t it