subject: The Strength of Your Contact Lenses [print this page] The Strength of Your Contact Lenses The Strength of Your Contact Lenses
It is a must that you learn to determine your contact lenses strength. So, prepare yourself in undergoing a sort of educating experience regarding contact lenses strength and other related subjects that will provide you unmatched learning experience and encounters, too. in the end, you will be benefited with the information and ideas you will gain.
For the record, an examination is conducted so that the optician will determine your prescription. The examination called refraction is done and then the next will be the fitting of your contact lens. To fit your lens, the optician has to measure the surface of your eye. In the end of all the examinations done, the optician will provide you the results which tell your contact lenses strength.
Then, you will be provided with written prescription stating your medication if needed, the invaluable information that will help you determine what measurement of your contact lenses strength is.
As for the process of determining your prescription, the following are relevant steps worth-knowing and understanding:
You should get from your optician that contains the measurement results and the prescription you need. The written prescription indicates the results of the examinations that have been conducted and the results of the fitting as well.
Know where the left and the right eye on your prescription is. For the record, the notes will tell you that OD means ocular dexter in Latin which pertains to your right and the left eye is the OS which means ocular sinister and OU for ocular utrique which means both eyes.
Then, you need to find out the power of your lens to have an accurate idea of the contact lenses strength you ought to have. The abbreviation PWR is use to pertain to Power. The power of the lens is also called the Diopter which is in fact the refractive power of the lens. The optician out to bring your vision to 20/20 or the so called perfect vision as much as possible.
The plus and minus signs are both used in indicating the power or the contact lenses strength. The minus power or sign stands for myopia or nearsightedness. On the other hand, the plus power means hyperopia or farsightedness.
There are numbers written under a column that is called the CYL or the Cylinder. If there are findings and numbers indicated under the label, then your contact lenses strength is also provided to correct astigmatism.
If you are to determine the contact lenses strength, you can ignore the base curve or BC and the center thickness or CT as they are only needed in fitting your lenses and not in determining your lenses strength.
Learning more about the strength of your contact lens is a sure way to understanding what sort of eye care you should employ. Such knowledge will provide you with helpful ideas that will lead you to leading and living a healthy lifestyle for the sake of your sight and your entire well being. Learn even more about contacts here