Have you hit the magic four oh birthday and started to have difficulty reading? Finding that when you are tired or the lighting is bad you need to put the book on the floor to see it clearly? Ever wonder why that was?
The condition is called Presbyopia and no it isn't a disease. Now that we have established that you aren't going blind and this is a normal process we can explain what Presbyopia actually is. Presbyopia involves the loss of flexibility of the lens within the eye, as the lens is used for focusing the eye it makes sense that activities that involve focusing up close will be more difficult. This is thought to have resulted from the lens within the eye continuing to grow as we age, Foyle's war much like our ears and nose. The tiny muscles that bend the lens do not keep growing hence the lens doesn't bend as easily. The most common complaint is that reading is more difficult.
How Presbyopia affects your vision involves increased difficulty with close tasks such as reading especially in poor light. Continued attempts to do these near tasks may result in sore eyes, head aches and tiredness.
Presbyopia is treated with reading glasses. These glasses designed for near tasks make the distance blurry. Wearing glasses to make reading easier will not accelerate or slow the development of Presbyopia which will continue regardless.
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