Uncovering Presbyopia
The eye uses two main surfaces of focus on anything. The first is the outer layer of the eye known as the cornea, and the second being the lens which is a concave structure suspended mid-way through the eye. It is the lens that changes shape to help you focus on objects at different distances, your cornea generally stays the same shape throughout life. The ability of the lens to focus near objects is known as accommodation. When looking at distant objects, your accommodation