If you prefer to wear contact lenses instead of glasses to improve your vision, there are several types to choose from

If you prefer to wear contact lenses instead of glasses to improve your vision, there are several types to choose from.
Both hard and soft contact lenses have their advantages and disadvantages.Which one is right for you may depend on your vision needs, lifestyle and personal preferences.
If you’re considering hard contact lenses, read on to learn about the pros and cons of these lenses and how to use them safely.
The most commonly used type of rigid contact lenses are rigid gas permeable (RGP) lenses.They are more comfortable and safer to wear than earlier types of hard lenses, such as traditional polymethylmethacrylate (PMMA) lenses.PMMA lenses are rarely used today.
RGP lenses are made of flexible plastic materials that typically include silicone.This lightweight material allows oxygen to pass directly through the lens to the cornea of ​​your eye.
Your cornea is the transparent outermost layer of your eye.Your cornea refracts light and acts as the outermost lens of your eye.When your cornea doesn’t get enough oxygen, it swells.This can lead to blurred or blurred vision, as well as other eye problems.

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PMMA lenses do not allow oxygen to pass through the lenses.The only way oxygen can reach the cornea is if the tears flush under the lens every time you blink.
In order to allow tears to move under the lens, PMMA lenses are fairly small in size.Also, there must be a gap between the lens and the cornea.This makes PMMA lenses uncomfortable to wear, and the lenses are more likely to pop out, especially when exercising.
Because RGP lenses allow oxygen to pass through them, these lenses are larger than PMMA lenses and cover more of the eye.
In addition, the edges of RGP lenses conform more closely to the surface of your eyes.This makes them more comfortable to wear than older models.It also allows the lenses to stay on your eyes more securely.
Refractive errors occur when the shape of your eye prevents incoming light from being properly focused on the retina.The retina is a layer of light-sensitive tissue at the back of the eye.
Wearing RGP hard contact lenses can correct several types of refractive errors, including:
RGP hard contact lenses have several advantages over soft contact lenses.Let’s look at these benefits in more detail:
RGP rigid contact lenses also have some disadvantages.Here are some common problems with these lenses.
If you want hard contact lenses to last as long as possible, it’s important to take good care of them.Taking good care of your lenses can also reduce the risk of eye infections or corneal scratches.
Rigid gas permeable (RGP) lenses are the most common type of rigid contact lens prescribed today.They generally provide sharper, sharper vision than soft contact lenses.They also last longer in the long run and are generally less expensive than soft lenses.

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Also, some conditions, including astigmatism, can be corrected more effectively with hard contact lenses.
However, wearing hard contact lenses often takes longer to get used to, and they may not be as comfortable as soft contact lenses.Talk to your eye doctor to find out which type of contact lens is best for you and your vision needs.
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Post time: Jan-13-2022