Contact lenses are slim discs that when placed over the cornea of the eye offer to act as a substitute for spectacles. The problems that are remedied by contact lenses are the same as the conditions dealt with by eyeglasses and consist of the following:
- Astigmatism distorted vision.
- Myopia nearsightedness.
- Hyperopia farsightedness.
- Presbyopia need for bifocals.
Just like no two sets of finger prints equal, no two sets of eyes are precisely alike either. Because of this, there are different kinds of lenses for various kinds of eyes. Read below to learn which type of contact lens is best for you. If you are looking for the lowest-cost alternative in prescription contact lenses, you might want to consider PMMA lenses. These were the first contact lenses ever established, and though they are not the usual option amongst contact users, are still manufactured today. They are made of sturdier material than various other kinds of contact lenses.
Stiff Gas-permeable contact lenses made in korea, also known as are additionally known as RGPs are a somewhat newer version of hard rigid lenses made of plastics in addition to various other materials, including silicone. A crucial ingredient in this kind of lens – fluoropolymers enable oxygen go right through the lens, hence making it gas-permeable. Some of the advantages of RGP’s are that they are much better at keeping their shape, therefore offering a crisper vision; they maintain your eyes moist, and they stand up to dust and debris. This sort of prescription contact lens is ideal for:.
o Those whose eyes are overly conscious germs or are prone to infection.
o Those that are susceptible to experiencing dry eyes.
o LASIK surgical treatment prospects.
o People that participate in sporting activities.
o Customers of bifocal spectacles and reviewing glasses.
Soft contact lenses are constructed from slim plastic and water. The water part offers the lenses a soft and flexible consistency. Soft contact lenses additionally let oxygen through, allowing the eye to take a breath. The majority of prescription contact lenses in the usage soft contact lenses. Several of the reasons for this consist of the reality that they supply greater comfort, are easier than tough lenses to adjust to and can be put on for longer amount of times. Some of the disposable lens on the marketplace consists of the following.
Prolonged wear lenses.
Expanded wear lenses are soft contact lenses made from materials that permit usage throughout longer time periods. This type of prescription lens can be put on for 1-4 weeks without elimination and cleaning. These kinds of lenses do allow oxygen to pass with and do tend to keep eyes moist, they are likely not the ideal option for those with level of sensitivity and irritation concerns.
Non reusable lenses are created to be worn for a minimal time and after that discarded. This kind of lens is outstanding for those with sensitive or short-tempered eyes. Although they are generally a lot more expensive than other sorts of lenses, the reality that they are replaced daily by a brand-new set considers them a very low infection threat.