Product Description
PureVision Multifocal are silicone hydrogel contact lenses ideal for people with presbyopia who lead busy lifestyles, continuous 30 day wear means users can avoid laborious cleaning routines.
Further Information
Prescription Information
Your prescription information is on the right hand side of your contact lens box. For accuracy we suggest using this to make sure you order the correct lenses.
Addition
Bifocal contacts have an additional measurement called an ‘add power’ that assists in bringing near vision into focus. This will be identified by either a + number or called high, medium or low.
Base Curve
Base curve, determining how the lens fits. It is usually an 8.x or 9.x number. Some brands use non-numeric base curves such as flat, media or steep.
Diameter
The diameter of the lens. Most brands come in a couple of sizes. Usualy a 14.x number but could be between 13.x to 15.x.
Power
Sometimes called ‘sphere’ or ‘strength’. Measured in diopters and always preceded by - (minus) or + (plus). Negative (-) powers help to correct short sighted conditions. Positive (+) powers help to correct long sighted conditions.