Why do I need Mr Tickle Arms to Read my Paper?
As we get older the flexibility of the lens inside your eye reduces. This is called Presbyopia. This means that you are less able to focus on things that are close to you, so you may need reading glasses. When you look at something close up, for example a book, the muscles inside your eye surrounding the lens contract to make the lens change shape. This focuses the light from the book onto the retina. The lens inside a child's eye is elastic so can change shape easily. As w