There are many advantages of wearing contact lenses. They improve your viewing ease and provide better eye comfort. They provide wider visual access and a sense of normalcy. Besides, they make excellent choices if you don’t like to wear glasses. However, they come with their own caveats against these advantages. This includes choosing the highest quality silicone hydrogel contact lenses, wearing them properly and taking care of them. As long as you take care of certain points, you can enjoy all the benefits that come with wearing your contacts.
How Long Should You Wear Your Contacts?
You can wear your
contacts for 8 to 16 hours a day. The duration for wearing contact
lens will depend on your eye health if you have eye sensitivity or dry
eyes, and how effectively your eyes can tolerate contact lenses.
·
If you have
sensitive eyes, you should change your contacts much earlier – even before the
8 hours are complete
·
If you work
long hours, again your lenses should be replaced faster
Your eye a specialist can tell you exactly how long you can wear your contacts by assessing
your situation.
Contact Lens Noncompliance
Contact lens
noncompliance is quite common among users. According to the CDC, around 70% of contact
lens users don’t handle their lenses with clean hands. Many don’t even
bother to stick to the guidelines on how long a disposable contact lens can be
worn.
·
You should always
ask your optometrist and check the manufacturer recommendations for maximum
wear time
·
8 to 16
hours is considered a healthy average wear time
·
Besides
other factors mentioned above, the weather patterns also affect wear time
·
Always
remove the contacts if there is eye redness, irritation, or swelling
·
If you
cannot wear the lenses comfortably for a full day, you should see your eye
doctor
·
Never sleep
with your contact lenses because they increase the risk of corneal infection
Need for Oxygen Permeability
When you wear
lenses for long, the corneas can get a lesser amount of oxygen. This increases the
chances of corneas becoming vulnerable to bacteria. Keratitis is a
condition that is caused by microbes that affect the corneas. It is important
to know that the corneas do not have the power to replenish on their own. So,
you should not over wear your contact lenses.
The biggest
challenges to increasing the wear time of contact lenses have been the
following factors:
·
Increasing
oxygen permissibility
·
Lower
modulus
·
Improve
surface biocompatibility
Oxygen permissibility
is measured in terms of Dk/t. The minimum required Dk/t is 87x10-9 to prevent corneal
damage. But the softest lens with the highest oxygen permissibility has had not
been able to achieve this mark. This was when a unique combination of silicone
and hydrogel was created to overcome this challenge.
Both silicone and
hydrogel had their own unique challenges, making it difficult to create contact
lenses that can be worn for longer. The creation of silicone and hydrogel materials
became the ideal solution. While the silicon part in the material provided the
high level of oxygen permeability, the hydrogel part ensured that the lens and
the cornea remained wet.
Daily Disposable &Daily Wear
Contact Lenses
As a simple rule,
you should not use daily disposable and daily wear lenses interchangeably. Both
are made of slightly different materials with different properties. Daily disposable contact lens should not be
reused. They should be discarded after every time you wear them.
When you wear your
daily disposable contacts for more than once, your eyes will be at the risk of developing
dryness and discomfort. It can also increase the risk of serious infections. According
to a study, 95% of contact users who kept their daily disposable lenses in the solution
overnight had contamination. Staph bacteria were found to be the most common microbe
that caused various infections including pink eye.
Daily disposable
and daily
wear contact lenses are usually packed in sterilized containers filled
with fluid. The fluid has an expiration date that is printed on the label. Once
expired, you should not use the fluid because it can get contaminated with germs.
Contact lenses are
medical devices approved by the FDA. They are regularly tested for their
effectiveness and safety when used as per the manufacturer’s directions. So, the
best advice about wearing a contact lens
is to always stick to the manufacturer's instructions.
Safety Tips for Your Contact Lenses
Now that you know
how long you can safely wear your contacts, you should follow a number of
safety tips to keep your eyes healthy. Contacts are designed for convenience and
are easy to use only when you follow all the manufacturer’s recommendations.
Follow these tips
to reduce your risk of infection:
·
Make sure
to wash your hands with soap and dry them before handling your contacts
·
If you have
reusable lenses, make sure to clean, rinse, and disinfect them every time they
are removed
·
Use only
manufacturer-instructed solution. Water is never suited for contact lens
cleaning.
·
Disposable or
silicone hydrogel daily contacts should never be worn while sleeping.
·
Make sure
the lens storage case is also regularly cleaned and replaced.
Contact lenses offer
many advantages but you should not wear them longer than what is
recommended here. It is best to follow a schedule that allows your eyes to get
proper rest. Remember the eyes also need rest similar to other organs.
If your contact
lenses have expired, they should not be worn no matter whether you have not
used them ever. If you have any kind of eye discomfort, irritation, or infection,
you should immediately see your eye doctor.
When it comes to
your contact lenses, you should choose contacts made of the highest-quality materials.
Miacare has developed state-of-the-art silicone hydrogel contact lenses that
provide optimal comfort, are soft, and ensure excellent oxygen permissibility. You
can choose just the right type of contacts that are perfect for your eye
condition. So, make sure to follow the tips mentioned here and select only the highest
quality and safest contact lens brand for your eyes.
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