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If you have not already tried them, then it might be worth taking some of the different Frequency contact lenses available from CooperVision for a spin. There are a number of different variations, but they all have something in common; they are very comfortable contact lenses and they will also help to keep your eyes feeling healthy.

For people who want a high quality disposable lens, the Frequency 38 Sphere contact lenses give an excellent combination of durability and comfort. They offer a good value proposition, and they come with the convenience and safety of disposable contact lenses.

If getting the best possible vision is important, then consider the Frequency 55 Aspheric contact lenses. These are a soft contact lens and as far as Frequency contact lenses or any other brand goes, you are not likely to find something that will provide you with clearer vision.

Some people require multifocal lenses and there are Frequency contact lenses for this need as well. The Frequency 55 multifocal lenses are a great alternative for people who have had to wear bifocal glasses in the past and want to be able to wear contact lenses and still be able to see things clearly at any distance.

There are even models that are available in Frequency contact lenses for people who have astigmatism. You can choose from either the Frequency 55 Toric or the Frequency 55 Toric XR. These are made to fit the shape of your eye perfectly, and a will fall nicely into place no matter what orientation they are in when you put them in your eyes. The XR model is specifically intended for people who have a high level of astigmatism, so they will be able to enjoy Frequency contact lenses as well. If you want to find something that is really comfortable and give your eyes then these are worth a look.

The cornea of the eye should be spherical on the outer surface. If you took a round ball, and sliced off about one eight off the end, you would be left with roughly the shape of a cornea. Regular contact lenses are spherically shaped both on the inside and outside surfaces near the cornea of the eye. Subtle conditions can cause the cornea to lose its spherical shape, which in turn may cause blurred vision, and a not so subtle symptom.

Astigmatism of the cornea is one condition where blurriness results. Astigmatism is a condition where the cornea loses its spherical shape and is elongated on one axis. Presbyopia is an age related problem. As we get older, the shape of the eye (among other things) changes shape. When the surface of our eyes change shape, we begin to struggle in certain conditions. For the most if you have Presbyopia, you will have difficulty focusing on items close up. Aspheric contact lenses are designed to help with these conditions.

In Rosenbloom & Morgan’s Vision and Aging (By Alfred A. Rosenbloom, Meredith W. Morgan, P 233) aspheric contact lenses are described as lenses without inside curvature near the center of the lens. The inside surface is instead flattened and progresses at an angle, so aspheric lenses may also be used for progressive lens functions, a common requirement for people with presbyopia who wish to wear contact lenses.

Two well known aspheric contact lenses are Frequency 55 Aspheric and Biomedics 55 Premier. “55” refers to the amount of water content in these contact lenses. Water is one medium used to circulate oxygen around surface of the eye. Oxygen circulation is improved by using silicon hydrogel lenses, which may be worn for longer periods of time.