Understanding your
prescription
Note
on Base Curve /Dia -
Base Curve is a number between 8 to 9. Most of your
contact lenses do not need to know this information, since they have a fixed
BC/Dia. This can be found on the product page “Technical Information” section.
However, if a contact lens requires this information, please check your
prescription for the section – B.C.
There are 3 Types of Powers
|
Power Type |
|
Website Form |
|
Type 1: Spherical (SPH) Only Power (REGULAR CONTACT LENSES) 60% people have only spherical (SPH) power with no Cylinder (CYL) and Axis (AXIS)
Note: If you do not have a CYLINDRICAL POWER, you need to go for NON-TORIC LENSES. All lenses that are not Toric are regular lenses. |
|
|
|
Type 2: Spherical with Cylinder (CYL) Power (TORIC CONTACT LENSES) 30% people also have a CYL power. Cylinder is an angular defect and it is prescribed with two variables – CYL and AXIS. If you have a CYL, you will have an AXIS, else none.
Note: If you have a CYLINDRICAL POWER, you need to go for TORIC LENSES. You can see all Toric Lenses by clicking here. If you are a first time user and have your specs power, you need to convert your specs power to a Toric Power for contact lenses by using this convertor tool – this is the power you will enter for your toric lenses. |
|
Note: If you have a CYLINDRICAL POWER, you need to go for TORIC LENSES |
|
Type 3: Bifocal / Progressive Power This is for people who have both distance and near vision problem. 10% of people have this. And only if you want both powers in one specs, you need to go for this option. This power has a new variable “ADD” (Additional Power) which specifies the near spherical power. We recommend that you go for either distance or near power in contact lenses. In case you want a contact lens for near vision, you can go for for any lens with PLUS power option. Else, you have to go for a regular or a toric lens depending on your distance power. If distance power has a cylinder, you need to go for a toric lens. |
|
|
