99% of all contact lenses are prescribed in the United Kingdom disposable. This means that they are made and arranged with regular intervals, either daily, bi-weekly or monthly. However, this is a relatively recent phenomenon.
Until 1987, only non-disposable contact lenses are available. They were cleaned and put in the night, and stored in a lens case, and again in the morning every day to one year. Today, many opticians are reluctant to prescribethem as they tend to create far more problems than disposable item.
With disposable contact lenses were killed, they were immediately popular. In 1992, seat supplies have been made available, and three years later, Daily Disposable saw see the light of the world. With the new millennium arrived, the first disposable toric contact lens, introduced by Vistakon.
Compared to two-weekly and monthly lenses, daily contact lenses have the advantage of lowMaintenance - they need a solution or lens cases, and thus save time, too. During extended wear disposable items are generally cheaper, they have the additional costs for accessories. On the other hand, they are known to be very durable and therefore unlikely to break.
"Supplies were not invented without reason," says an eye doctor. "Since the introduction of disposable lenses I have seen, much less contact lens-related problems, especially dirty lenses in the contextwith deposits. "Comparing a soft lens with a sponge, you might say that the lens enjoy top soil from your tears, cleaned for some time but will not be forever. The fact that new lens technology most commonly appears in the form of disposable contact lenses may be a sign that the industry no longer believes is not considered to be consumables.
People with exceptionally good quality of tears can not be successful with consumables and often do not appreciate with the purchase of new worriesLenses, but a recent study has shown that disposable pick-ize bacteria, although they soaked in the solution, mainly due to the fact that carrier is not thorough enough with the cleaning of lens cases. "The results strengthen the case for the use of disposable contact lenses, sterilized and never have to be willing to come clean," says the study's lead author, Antonia Pinna.
According to the Federation of Ophthalmic and Dispensing Opticians' generalFacilitate secretary, Bob Hughes, almost all of its members are only selling disposable contact lenses. "For all sorts of reasons and the cleaning to be disposable lenses useful to a lot of people," he adds.
In addition to safety and comfort, many makers vouch for the exceptional comfort of daily disposable contact lenses, thanks to the fact that they are much thinner than other lenses and permit more oxygen through the passCornea.
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