Presbyopia results from a gradual thickening and loss of flexibility of the natural lens inside the eyes due to aging. When people is at the age of around 40, presbyopia occurs. At that time, people need to hold books, magazines, newspapers, and other reading materials at arm's length in order to focus properly. If they do close work such as embroidery or handwriting, they may feel headache, eye strain or fatigue. Therefore, they usually take reading eyeglasses to help them see things clearly. Also, progressive addition lenses, bifocal lenses, multifocal contact lenses are available.
Well, you should know that presbyopia is a condition, which is caused by aging. When you get this kind of disease, you will find it difficult to read small words at close distances or to work on the computer for long periods of time. So in some degree, it can be annoying. Generally speaking, you can try some ways to prevent it. For example, you can use lutein, which can relieve the symptom. Anyway, a certain dietary intake or daily supplement with lutein will be a good way to protect your eyes, also, preventing presbyopia.
Presbyopia is a condition which happens with ages. When we are young, the lens of our eyes are soft and flexible, the muscle in our eyes are elastic, so it is easy for us to see clear both near or far. However when we grow old, like above 40 years old, the crystalline lens in our eyes are no longer elastic, it canâ€™t shape easily to help us see clear at near distance. We may find it is very difficult to read find print. This is the so called presbyopia. Some people have myopia, presbyopia and astigmatism the same time.