วันศุกร์ที่ 25 ธันวาคม พ.ศ. 2552

30-day Wear Contact Lenses - Pros and Cons

Contact lenses that you put in and wear continuously for many days, are the dream of many contact lens wearers. No fuss about cleaning, storing, inserting or removing them sounds handy, right? But is it safe? Find out if extended wear contact lenses suitable for you.

How to work extended wear contact lenses?

Most contact lenses are daily wear - you wear them during the day and take it out for theNight. Lenses must be taken, because they partially block the flow of oxygen to the cornea. In other words, you need your eyes rest without contacts.

However, many contact lens wearers want them to not have to remove their lenses every night. With this knowledge you have, contact lens manufacturers have worked really hard to get a contact lens material that does not stop developing oxygen and it allows you to wear your contact lenses for several days --or even weeks - without risk to your health.

Modern technology allows the production of contact lens wear, which can be by about six times more oxygen than ordinary soft contact lenses. Lenses for longer want, the extra-permeable silicone hydrogel material prepared and "breathe" so well that hypoxia is not a problem more, even if you wear your contact lenses for several days.

Are extended wear contact lensesLenses safe?

Lenses, which carry a FDA approval for expanded, as Focus Night and Day Acuvue, or 2, sure, if you follow your doctor's instructions. They feel quite well for many days, if you have very sensitive eyes.

The only problem with extended wear contact lenses, that because you can not clean them every day, tiny particles of dust accumulate on them.

To prevent this, to observe the following rules:

Avoid dustyRooms
Stay away from cigarette smoke
Try to keep water away from the eyes when showering and wear tight goggles
swimming
Never wear your lenses longer than recommended by your doctor. Remember a week available Extended wear lenses should be discarded once a week and 30 days wear lenses last only a month, not a day longer.

Also to minimize the risk of eye infections, it is very important to pay attention to how your eyes feel and paynot to ignore any unpleasant symptoms. If your eyes feel irritated or simply uncomfortable, take the lens immediately and give you 6-8 hours to rest your eye. Rinse the lens well before using it again and if discomfort, they do not ignore it, see your doctor. Perhaps Extended wear lenses are not for you, after all.

Enter the contacts are available on the market extended?

Two brands of extended wear contact lenses are approved by the FDA for 30 dayscontinuous wear - Focus Night and Day by Ciba Vision and PureVision by Bausch & Lomb. Other lenses can be worn for one week without removal. The most popular of these is Acuvue by Johnson & Johnson

Are extended wear contact lenses more expensive than the regular contacts?

Surprisingly, the price difference is not so great. Extended wear contact lenses are slightly more expensive that the usual weekly or monthly lenses and contactsThey are cheaper than daily disposable. Also, because you will wear your contacts for a week or a month and then discard them, you'll save on cleaning and storage solution. So cost is not a problem when it comes to extended wear contact lenses.

If the idea of wearing contact lenses continuously for several days appeals to you, ask your doctor if working for extended wear contacts for you.



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