Your prescription, provided to you by your doctor of optometry, is only one piece of information that will be used to determine the final composition of, and how well you see with, your new eyewear.
During the normal process of selecting and being properly fit for your new eyeglasses, your doctor of optometry will determine a number of things to make sure your new purchase is customized to give you clear and comfortable vision while ensuring you look great. This includes:
- Accurately measuring the distance between your pupilsso that your new lenses will be properly located in the new frames relative to the center of your eyes;
- Determining the height to place the optical centre of the lens in your frames;
- Selecting the right size of frame for you;
- Selecting the right shape of frame for you;
- Determining what curvature of lens to use;
- Determining what type of lens material to use;
- Determining what coatings to use on your lenses that best suit your needs;
- Measuring how high to place the multifocal(if you wear a multifocal lens); and
- Properly adjusting the frame to your face.
If the above are not done correctly and specifically for you, it’s not uncommon to have problems with your glasses that may be immediate, or appear after using your new eyeglasses for an extended period of time. Common complaints for improperly ordered or fit eyewear can include blurriness, headaches, fatigue, an eye pulling sensation, nausea, and pain or pressure marks on your nose or around your ears.