Step Diopter (pre-made)
The pre-made goggles are swim goggles that have powers already build into the lens. It is not the exact prescription but close. They usually run in whole or half powers. These are good options if you little or no astigmatism. With this option you will take a look at your prescription and match it to the powers offered. If you are unsure how to read a prescription Click Here and our FAQ will explain. If the prescription is really strong or may have a strong astigmatism this may not be the option for you.