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What are the Different Types of Contact Lenses to Use?

Shaped like thin discs, contact lenses are put over the cornea of the eye. These can act as a replacement for eyeglasses. These can help remedy a wide range of ocular conditions that are alleviated by eyeglasses, such as Astigmatism (distorted vision), Presbyopia (need for bifocals), Hyperopia (farsightedness) and Myopia (nearsightedness).

Contact Lens
Contact Lens

Types of Lenses:

No two pairs of eyes, like no two sets of fingerprints, are the same. Due to this reason, there are lenses of various types available for various types of eyes. Know about the various types of contact lenses that can be ideal to use.

  1. Hard Lenses You might like to consider PMMA lenses, in case you are in search of the cheapest substitute for prescription contact lenses. Hard lenses happen to be the first contact lenses that were developed ever. These are manufactured even today, although, among contact wearers, these are not quite common in use. Such kinds of lenses are slightly a little harsher on the eye, being rigid in form. As compared to other types of contact lenses, these are composed of stronger material. Such kinds of lenses are composed of a very durable type of plastic called PMMA. This type might not be as reputed as the most comfortable lenses. However, these are comfortable, easier on the pocket and very durable in form.

  2. Rigid Gas-permeable lenses These are hard lenses that can breathe and are referred to as RGPs or Rigid Gas-permeable contact lenses. More or less newer these are a form of rigid or hard lenses composed of plastics, silicone and other materials. Fluoropolymers are a top ingredient in such lenses and permit the passage of oxygen through the lenses. Due to this reason, RGPs are Gas-permeable. It can retain its shape much better and offer a crisper vision. These can resist debris and dust by keeping the eyes moist.

The prescription contact lens of this type is the best option for:

  1. Candidates for LASIK surgery.

  2. People with eyes prone to infection or too sensitive to bacteria.

  3. Those who take part in sports activities.

  4. People who are susceptible to dry eyes.

  5. Those using reading glasses and bifocal eyeglasses.

Soft Lenses These are composed of water and thin plastic. The lenses have a bendable and soft consistency due to the water component. These also allow the passage of oxygen and let the eyes breathe. It adjusts itself to fit the cornea of the eye making it less harsh for the eyes. This makes up most of the contact lenses that are prescribed in the U.S. Part of the reason could be due to that these can:

  1. Be worn for more time periods

  2. Be adjusted more easily than hard lenses

  3. Offer more comfort to wearers

Coloured Lenses

You can make your eye colour a unique one just by choosing the right coloured lens for yourself. The coloured ones are for fashion purposes. Nevertheless, it can be used by people with eye conditions. These lenses can have power as prescribed by the doctor or you can just buy the ones without power for looking good. If you are having myopia and are supposed to wear glasses or lenses why not make the best out of this and use coloured power lenses? 

You can wear Disposable lenses for a shorter period of time, and then have to throw these away. Such kinds of contact lenses are ideal for people with irritable or sensitive eyes. Usually, these are costlier than lenses of other types. However, the risks of infection from using these are lower as these new pairs of lenses substitute these every day.

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