There are various parameters that you may need to use, these depend on the type of lenses and prescription that you have. Here is an explanation of these different parameters and what they mean, so as to assist in ensuring you complete the order properly.
|Power||SPH or PWR or D||Strength of contact lenses which can be either a (-) or a (+) value|
|Base Curve||BC||A value between 8.0 and 9.0 which denotes how rounded the contact lens is|
|ASTIGMATIC / TORIC LENSES WILL HAVE 2 ADDITIONAL SYMBOLS (CYL) & (AX)|
|Cylinder||CYL||Correction of the lenses for astigmatism (also known as toric lenses)|
|Axis||AX||A value from 0 to 180 which indicates the degree at which the lens provides the astigmatic correction|
|MULTI-FOCAL, BI-FOCAL / PRESBYOPIA LENSES WILL HAVE AN ADDITIONAL SYMBOL (ADD)|
|Addition||ADD||Expressed as Low, Medium or High|
Upon ordering contact lenses or any product from WeLoveLenses you are automatically confirming that you have already worn contact lenses and are over 18 years old. You are also agreeing that your contact lenses have been prescribed by an eye care professional who has given you the correct fitting instructions. You are also verifying that you undergo regular eye checks and are fully aware of the use instructions (cleaning, wear ability, disposability etc.,) of the products you are purchasing.