When you decide to choose contact lenses, you should know that there are different advantages and disadvantages of lenses according to their types. If you want to buy a rigid gas-permeable then you should know in detail about them. They have many benefits and many harm effects as well. As it is the matter of your eyes, so you should not compromise on the health and do not need to take any risk. You should know that they have short adaptation period and an excellent vision.
They are easy and comfortable in wearing and they are also recommended to correct most of the sight problems. Generally, they are available in tints and bifocals as well. But they have few disadvantages too as you need to wear these lenses most of the time in order to maintain adaptation. In these lenses, there are higher chances to get debris under the lenses and they always need office visits to care. You can also choose Daily-wear soft contact lenses, which are made up of flexible plastic. It also allows oxygen to pass through the eyes. The major benefits include less adaptation period and comfortability of the user.
These lenses are available in tints and bifocals. Majority of standard living people prefer them. But these lenses do not correct every kind of eyesight problem and they soil early so you should be replaced. Another type of lenses is extended-wear contact lenses, which are easily available for overnight wear. One of the major benefits of this lens is that you can use it for constantly seven days without removing.
But it does not correct all kind of vision problem and you can have problem in its handling. You can also choose extended-wear disposable which need less or no cleaning and these lenses have less risk of infection and damaging your eyes. These are available in bifocals and tints easily from any market.