A huge trouble with conventional get in touch with lenses has actually been that the much longer you wear them without taking them out, the extra uneasy they obtain. It is not constantly practical to eliminate your calls every night. Some individuals have work that needs them to work more than 1 day in one stretch. Also, if you put on get in touches with, you can sometimes find on your own in a scenario where you can’t really take them out when you go to bed, such as an overnight campout in a wilderness area where there aren’t any type of bathrooms, lights or water. Many cataract patients are also required to use calls 24-hours-a-day right after their surgical procedure. Fortunately, new sorts of call lenses have actually been developed, like Acuvue Hydra clear contact lenses, that are made with a new technology that aids alleviate this trouble, and enables dramatically longer using times than in the past.
When you will be requiring to use your get in touches with for prolonged amount of times, and particularly when you require to wear them overnight, the majority of physicians now will write a prescription for get in touches with, like Acuvue Hydra clear call lenses, that are made from a relatively brand-new substance called silicone hydrogen. Contacts that are developed to be worn overnight without removing them are called prolonged wear colored contacts. With the innovation of silicone hydrogen, the Food and Drug Administration FDA has accepted extensive wear lenses made with silicone hydrogen to be worn for periods as much as 30 days at once without removing the lenses in all. Before this, a lot of prolonged wear lenses could only be worn for as much as a week at one of the most.
The issue with putting on conventional get in touches with also long is that your eyes are made from living cells which need oxygen continually, and conventional call lenses can block the blood circulation of oxygen to your eye cells. This can lead to eye infection and various other troubles, like severe corneal abrasion, development of capillary onto the cornea, corneal abscess and also extreme corneal scarring. Silicone hydrogen, like that discovered in Acuvue Hydra clear gets in touch with lenses.