We always need to take off the contacts during sleep, because they will probably block the flow of oxygen to our cornea if we sleep in them the whole night.
Extended wear contact is such kind of contact that made of extra-permeable silicone hydrogel materials which tends to allow oxygen deprivation.
SO, the best advantage of extended contacts is to allow people wear them for several days without taking it off.
But, we need to pay attention to the risk of infection since we cannot clean the lenses everyday, because of that, we must try to avoid dusty rooms and never wear the contacts longer than the doctor recommends.
They are contact lens that attempts to deliver the convenience of being able to see without eyeglasses all of the time. They allow more oxygen to reach your cornea, approved for up to seven days of continuous wear, some even approved for up to 30 days. Extended wear contact lenses may be the right option for you if you would like to wake up each day with clear vision. For many people the ability to get out of bed each morning and not have to insert their contact lenses is important, so this kind of contact lenses is a good choice, especially if you are moderately or significantly nearsighted and can't even get to the bathroom without your glasses. All in all, it can make you life more easily in view aspect.
Nowadays, Contacts are the best alternative to wearing glasses, because they're comfortable, and they also don't hang off your face and make you look bad. There are many advantages of using extended wear contacts. For example, if you have the extended wear contacts, you don't need to clean them as often as other types of soft contact lenses. In this way, it makes extended wear contacts more convenient to use. Also, they are safer to use than other types. Besides, if you want to buy a pair of them, I will suggest you should surf the internet and buy them online. They can offer a variety of these types of contacts, with some giving better deals than others in terms of pricing. While extended wear contacts arenâ€™t expensive, itâ€™s a perfect option for you to look for the best deals possible and at the same time you can get the most from your money.
Compared with common contact lenses, the extent wear contacts' main advantage lies in its inner design of extra-permeable silicone hydrogel materials which allows people to wear them for several days. However, it is dangerous to wear the contact lenses when sleeping because the corneal needs the oxygen. In addition, wearing contact lenses too long may get more possibility for the eyes to get infection. Thus, it is better not wear them during sleeping.