old eyes are not working too well with me!" Many of you have heard
your old folks say this when they tried to read a newspaper or book.
What they suffer from is presbyopia.
a person's life, their eye lens
changes. We start with a very flexible lens capable of quickly changing
size and shape to focus light. The ciliary muscle is what makes the
lens change shapes.
As we age,
the lens becomes firmer and more stubborn to change shape. This makes
it harder for the ciliary
muscle to apply force and change the lens's size. Distant
vision is normally unaffected, but near vision becomes blurry.
who were nearsighted when they were young do not suffer from presbyopia's
effects as much as farsighted and 20/20 people. In fact, their distant
vision may even improve