Eyeprescription is the place to learn what your optical prescription means and to see what options you have for correction.
SPH(or Sphere) indicates the eyeglass prescription power, or how strong your lenses need to be to correct your vision.For an indicator of how much magnifying power is needed in a bifocal or progressive lens to correct your vision problems, look for ADD. CYL (or Cylinder) indicates astigmatism, a condition where the cornea is irregularly shaped causing blurred or distorted vision.
Progressive and bifocal prescriptions have a value in the ADD column, and they are almost always the same number for both eyes. However, if the letters PAL are next to one of the ADD numbers, or elsewhere on your prescription, this means your doctor indicated that you will need a different ADD correction for progressive lenses (versus lined bifocals).
WebMD helps you understand your eyeglass prescription. When you look at your prescription for eyeglasses, you will see numbers listed under the headings of OS and OD.They are Latin abbreviations ...
This article will go behind the numbers to help you understand your prescription so you can be knowledgeable about your own eye health, track any changes in your vision, and talk comfortably with your eye care practitioner. Because as we all know, knowledge is power. How to Read Eyeglasses Prescriptions
Your prescription may be written out on a blank Rx pad instead of a pre-made Rx pad for eyeglasses only. The top number is the prescription for the right eye and the bottom number is the prescription for the left eye. 7. If there are no numbers for CYL, AXIS or ADD in your prescription, do not enter anything in these fields when ordering.
How to enter prescription Your prescription (Rx) provides us with your doctor's recommendation for clear and comfortable vision. The numbers on your prescription tell us how strong the glasses need to be.
While you likely know whether you're nearsighted, farsighted or have astigmatism, determining that from your prescription slip is another thing entirely. That's why we've put together a short guide to help you learn how to read your eye prescription so you can get to ordering your new set of eyeglasses as quickly as possible.
The first step to understanding your eyeglass prescription is knowing what "OD" and OS" mean. They are abbreviations for oculus dexter and oculus sinister, which are Latin terms for right eye and left eye. Your eyeglass prescription also may have a column labeled "OU." This is the abbreviation for the Latin term oculus uterque, which means ...
Please make sure you get your eyes examined regularly and always follow your eye care professional's instructions for the proper use and care of your contact lenses. It's important to note that if you experience any pain or discomfort from your contact lens, discontinue use immediately and consult your eye care professional.