Vision Over 40
– Are Reading Glasses Necessary?

by Peter Law
(Boise, Indiana, USA)

As we age our vision changes and for most people, that is going to mean that they will need corrective lenses!.

By middle age many of us have settled into and accepted that we do have perfect vision, but then we begin noticing that it becomes more and more difficult to read items that are up close. We panic as we realize we have reached the dreaded and feared age of reading glasses.

It has been estimated that 95% of all people 50 and over could benefit from reading glasses – that is, if they have not opted for an expensive surgery or contact lenses.

The point is that reading glasses are probably in your future so learning about them is important.

First of all, you should know that that you can purchase reading glasses at department and drug stores.

This type is usually very inexpensive. That is a huge advantage because you can then have several pairs – keep them in different rooms of your home, at your office, in your car, in your purse, well, you get the idea. It also allows you to play around with styles and colors.

Because you can buy these glasses so inexpensively (they are often sold at dollar stores) you can have a collection large enough that you have a real choice in which pair of glasses you wear each day.

Since some people think of glasses as jewelry for their face it stands to reason that they would want their glasses to match their outfit.

Now for the negative side of the inexpensive glasses; first of all, if you are purchasing your glasses without first having your eyes examined you cannot be certain you are purchasing the right strength for your eyes, and secondly the cheaper glasses are almost always made with both lenses in the same strength – most people have one eye that is stronger than the other.

The ready-made are sold inexpensively because they are made inexpensively. But if they work for you then why not use them.

A good middle of the road course of action is to actually have your eyes examined and use a prescription to determine the strength of lenses you need, but even that will not guarantee that the optics in each lens will line up with the centers of your eyes. If that is the case the wearer may experience eyestrain or headaches.

The ready-made glasses are sold based on the measurement of the lenses’ power, a range of diopters. Most people that are 40 – 45 use reading glasses in the range of plus 1 to plus 1.25 diopters.

This typically goes up about half a unit per decade, which means that by the time a person is 55 or 60 he will be in the range of about plus 2.5, and at 65 – 70, about 2.75 or 3. Persons 80 and over and plus 3 and above.

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