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Silicone hydrogel contact lenses are new extra-permeable contact lenses that allow enough amount of oxygen or air to the cornea of your eye within a month of usage without taking it out.  Compared to the older hydrogel soft contact lenses, silicone permits as much oxygen vital to the health of your cornea as possible.   It is claimed to let six to seven times more oxygen compared to the traditional hydrogel type.  Approximately sixty percent of contact lens users agree here in the U.S. alone.

The traditional soft contact lens has a tendency to lose water after a long time of usage.  While the silicone based contact lens combines the use of water and polymer content to best let the passage of oxygen to your eye.  It also contains less water compared to the traditional lens and provides comfort to those who wear it especially for longer periods of time. Not all silicone hydrogel contact lenses out in the market are not approved for use of thirty days, however, but are still safe to use.

It’s much safer because it prevents the accumulation of dirt or deposits on the surface of the lens because it is changed within a month.  In fact, a clinical study was made by one of the lens manufacturer of 6, people who wore Night and Day contact lenses continuously for 30 days resulted to the conclusion that it prevented the buildup of microbes that, if left untreated, can lead to eye infection such as microbial keratitis, an infection of the eye that can lead to loss of one’s eyesight.

A study conducted in the University of Manchester last 2005 also claimed that contact lens users who wore their traditional soft contact lenses to sleep were five times more liable as candidates to microbial keratitis compared to those who wore silicone based hydrogel contact lenses.

In addition, a British study conducted at the University of Manchester and published in 2005 found that people who slept in traditional hydrogel lenses were five times more likely to develop keratitis than those sleeping in silicone hydrogel contact lenses.

The type of contact lens you that will best suit you depends from person to person.  Some people do not feel the exact comfort one feels when wearing a monthly disposable contact lens.  Before fleeing off to get your contact lens, it is best to go see an eye care specialist first to get your eyes assessed properly and to be able to provide you with the best possible alternative or solution for your vision problems.  If you are considering an extended wear of your contact lenses, get evaluated first to avoid the risk of complicating your eye vision.

If you do get to have your hands on your new contact lens, remember to always keep them clean and do not carelessly toss them around.  To avoid any eye infection in the future, always remember to follow the guidelines attached to your contact lens and religiously follow it.  Never share your contact lens to anybody else, and vice versa.