Contact Lenses
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Contact Lenses
What To Expect
With most hard contact lenses, there will be a 2- to 4-week break-in period. During this time, you wear the lenses for longer periods of time each day. Soft contact lenses usually take less time to get used to.
How you care for your contact lenses depends on the type of lens you have. It is important to follow directions for lens care carefully to help prevent sore or infected eyes. If you have a hard time following the cleaning steps, tell your eye doctor. You may be able to simplify the cleaning steps. Or you may want to switch to disposable lenses that you wear for one day, then throw away.
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Why It Is Done
Many people choose to wear contacts because of the convenience. Or they may prefer the way they look without eyeglasses. Some people wear contacts because they are recommended by the eye doctor.
Contact lenses can correct nearsightedness (myopia), farsightedness (hyperopia), astigmatism, and presbyopia. Lenses that correct astigmatism are called toric lenses.
Contact lenses may be used by people who have had cataract surgery and couldn't have an artificial lens implanted in the eye. They may also be used to treat eye diseases, such as keratoconus or damage to the cornea caused by injury or infection.
Multifocal contact lenses have been developed for people who have both nearsightedness and presbyopia. Multifocal lenses provide correction for both near and distance vision on each lens.
If multifocal contact lenses will not work for you, your doctor may recommend monovision. With monovision, you wear a contact lens that corrects for near vision in one eye and a lens that corrects for distance vision in the other eye.
In other cases, your doctor may recommend using reading glasses in combination with contact lenses that correct for distance vision.
Most people can wear contact lenses.
Contact lenses may not be a good choice if you:
- Are not able or are not willing to care for the lenses properly.
- Would have a hard time handling the lenses (for example, if you have severe arthritis in your hands or another problem that would make it hard for you to insert, remove, and clean the lenses).
- Have certain medical conditions such as uncontrolled diabetes or hyperthyroidism. Allergies may also make it difficult to wear contacts.
- Have dry eyes or problems with the cornea. People who have Sjögren's syndrome (a condition that causes a lack of tears and dry eyes) often are not able to wear contacts. People who have chronic or recurrent infections or sores on the cornea cannot wear contact lenses.
- Have a job that exposes you to particles, chemical fumes, or other vapors that may be absorbed by or stick to the lenses (such as dust and dirt, paint, spray chemicals, or hair spray).
Infants and children
Infants and young children usually do not wear contact lenses, except to treat some medical conditions. Many older children and teenagers wear contacts.
How Well It Works
Contact lenses work well for most people. But some types of contacts may work better for you than other types. For example:
- Gas-permeable lenses may give you the sharpest vision, but soft contact lenses are usually more comfortable. Most people are okay with either type.
- If you have astigmatism, rigid gas-permeable lenses may work best.
- If your eyes are not able to focus on near objects (presbyopia), you may choose multifocal contact lenses. But you may need to use reading glasses some of the time.
Risks
Minor side effects of contact lenses are common. But the risk of infection or other problems that can affect your vision is low.
Problems sometimes caused by wearing contact lenses include:
- Dry eyes.
- Problems with the cornea. These include swelling and hazy vision caused by decreased oxygen to the cornea (hypoxia), corneal scratches and scrapes, changes in the cornea's shape, and infection of the cornea.
- Allergic reactions to contact lens solution.
- Eye inflammation.
- Eyelid inflammation. Inflammatory bumps can form under the eyelid, making it uncomfortable to wear contacts.
Some problems are more common with certain types of lenses. You may be able to avoid some problems by cleaning your lenses more often, not wearing your lenses overnight, or changing the type of lenses you wear.
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Current as of: July 31, 2024
Author: Ignite Healthwise, LLC Staff
Clinical Review Board
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This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.