Why Are 'Night and Day' Lenses a Breakthrough?

'Night and Day' lenses are specifically designed to be worn continuously up to 29 nights and 30 days. This is possible because of a revolutionary Silicone Hydrogel material that allows your eyes to constantly "breathe" in oxygen. SILICONE allows a natural level of oxygen to pass through the lens to the cornea so your eye can "breathe", while the HYDROGEL ensures consistent wetability, which makes the lens very comfortable to wear. This enables continuous 'Night and Day' wear.

What are other benefits of an increased oxygen supply?

An additional benefit of the increased oxygen supply to the eye is that your eyes look whiter wearing 'Night and Day' lenses in comparison to other conventional lenses. Ordinary contact lenses limit the amount of oxygen passing through them, which can result in reddening of the eyes and is also the reason why these lenses have to be taken out at night.

Who can wear PureVisionTM contact lenses?

Your optometrist can advise if 'Night and Day' lenses are suitable for you. There are two main types of 'Night and Day' lenses on the market at the moment - Bausch & Lomb's PureVisionTM and CIBA Visions Focus Night & DayTM. Both come in a wide range of powers that will suit most short- or long-sighted people. However, with Bausch & Lomb's most recent breakthrough, PureVisionTM contact lenses now come in the Toric format; that is, they are also suitable for ASTIGMATISM.

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