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Contact lens eye infection: Risk and prevention

By: Mohan Garikiparithi | eye ​​health | Sunday, August 21, 2016 – 8:30 a.m.


contact lenses can alter the bacteria of the eyes, causing the eyes microbiome of the skin like . In the study of 58 adults, researchers found that contact lenses induces changes microbioma eye, with a higher proportion of skin bacteria such as Pseudomonas, Acinetobacter, Methylobacterium, and Lactobacillus, and minor proportions of Haemophilus, Streptococcus, Staphylococcus and Corynebacterium.

Researchers are not sure how these changes occur. Perhaps, “these bacteria are transferred from the fingers to the lens and the eye surface, or if the lenses exert selective pressure on bacterial community eye for skin bacteria,” said lead author Maria Dominguez Beautiful.

It is well known that the use of contact lenses increases the risk of eye infections, but while research is underway to better understand the mechanisms behind these findings, the main recommendation for contact lens wearers is to practice good hygiene and safety when handling contacts preventive measures.

carriers of contact lenses more likely to have an eye infection due to eye care risky behavior

The Centers for Disease Control and Disease prevention (CDC) estimates that approximately 41 million Americans wear contact lenses. According to a new report by the CDC, nearly all contact lens wearers behave risky eye care, which can increase the risk of eye infections and complications.

In the press release CDC researchers say that more than 99 percent of respondents reported at least one risk behavior regarding the use of contact lenses. Examples of such behavior include wearing contact lenses during sleep, adding new solution to the existing solution, or the use of contact lenses longer than recommended. The CDC reports that these practices increase the risk of contracting an eye infection fivefold.

The data were collected through an online survey that was administered to contact lens wearers to determine what types of risk behaviors of the participants involved in and how often. An alternative survey was used to calculate the total number of contact lens wearers in the US

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Based on the results of the survey, CDC has developed recommendations for users of contact lenses for infection prevention.

Their recommendations are as follows:

  • always wash clean hands before handling contact lenses or touching your eyes.
  • remove contact lenses before entering a shower or pool, or before bedtime.
  • Rinse your contacts in the disinfecting solution each time they are removed.
  • Always use fresh solution to clean contact lenses (no age limit solution with a new one).
  • Change the lenses every one to three months.
  • always wear glasses backup with you in case you have to take your glasses off.
  • risk of eye infection associated with contact lenses

People with vision problems can choose to wear glasses or contact lenses. One may prefer contact lenses over glasses to avoid having something in your face all day.

Contact lenses are shaped silicone discs that are placed on the round eye, or plastic. If worn and handled properly, contact lenses can be a safe way to correct your vision, but participate in the practices of eye care risk may increase your risk of infection.

Other risks associated with contact lenses are as follows:

  • Dry eyes
  • Problems the cornea – swelling, blurred vision, scrapes or scratches on the cornea
  • allergic to contact lens solution
  • deposits in the lens reactions, making them uncomfortable use
  • eye ​​inflammation
  • eyelid inflammation

the type of lens you choose can increase the risk of eye infection as well. The best way to avoid complications associated with contact lenses is to follow the recommendations provided in the package, as well as previously presented by the CDC.

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they should avoid contact lenses

Although lenses contact are generally safe for anyone, in some cases, may be an inappropriate choice . Here are some reasons why contact lenses may not be the right choice for you.

  • You can not or is unwilling to properly care for them
  • Want to have a handling lenses difficulties – for example, if you have arthritis
  • you have certain medical conditions – uncontrolled diabetes, allergies, asthma, hyperthyroidism , other respiratory disorders
  • have dry eyes or problems with the cornea
  • you work in an environment that exposes their eyes to particles, gases, wastes

How to choose contact lenses suitable?

If you think that contact lenses may be for you, here is how you can select the pair .

  • If you have astigmatism within the normal range, you can choose permeable hard contact lenses gas.
  • If you can not handle hard lenses, soft contact lenses are available for astigmatism and myopia. Soft lenses are more comfortable, but hard lenses provide sharper vision.

Tips for caring for your contact lenses and eye health

Here are some other tips to consider in order to properly care for your contact lenses and protect your eye health.

  • If you have trouble remembering when to change your lenses, use a graphic or an alarm as a reminder.
  • Never share contact lenses.
  • Do not allow the tip of the solution bottle touch other surfaces.
  • wear sunglasses and contact lenses can increase sensitivity to light.
  • Use a re-wetting solution to keep your eyes moist.
  • If your eyes are irritated, remove the contact lenses immediately.
  • If your vision suddenly changes, see your doctor immediately.

Although contact lenses are designed to improve your vision, with inadequate care can represent a serious threat of infection. safe handling of contact lenses will make sure to protect your eyes and vision.


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