An extremely practical and fashionable substitute for traditional eyeglasses is the use of contact lenses. They offer sharp vision without the inconvenience of fogging up lenses in cold weather or the weight of frames on the nose. I switched to contact lenses years ago, and like many others, I didn't realize how much maintenance they needed at first. I initially believed it was as easy as fitting them in and removing them at the end of the day. However, I soon discovered that contact lenses can seriously endanger eye health if not used properly.
I can recall one specific incident where I kept my lenses in for an excessive amount of time. After a long and tiring day, I persuaded myself that it wouldn't harm to sleep in them once. I woke up the next morning with eyes that were extremely dry, red, and itchy. I had the sensation of sandpaper scratching across my corneas as I blinked. After hours of that pain, I was forced to take out my glasses and give my eyes a rest. The incident served as a sobering reminder that using contact lenses carelessly might have serious repercussions.
A lot of individuals, particularly those who are using contact lenses for the first time, are not aware of the dangers associated with incorrect use. The consequences of inadequate hygiene and unhealthy habits might include long-term harm, infections, and oxygen deprivation. To get the benefits of contact lenses while keeping your eyes healthy, you must be aware of these hazards and take precautions.
Common Risk Factors of Contact Lens Use
Eye Infections: The Hidden Danger Lurking in Poor Lens Hygiene
One of the most important hazards of wearing contact lenses is the increased probability of eye infections. These infections develop when bacteria, fungus, or other hazardous microbes enter the eye, frequently owing to incorrect lens maintenance or contact with polluted water. Vision loss is one of the worst consequences that eye infections can cause if treatment is not received.
The most prevalent illnesses consist of:
- Keratitis: When lenses are left out overnight or are exposed to water or germs, keratitis, a painful corneal infection, may develop. The fact that sleeping with contact lenses, even on occasion, greatly raises the risk of keratitis is something that many people are unaware of. In extreme situations, this illness may necessitate a corneal transplant because of its agonizing nature.
- Conjunctivitis (Pink Eye): Contaminated lenses can transmit bacterial or viral conjunctivitis. Redness, itching, excessive tearing, and discharge are common symptoms. The lenses might become a haven for bacteria if they are not cleaned or changed as advised.
I was surprised at how fast the sensitivity worsened when I got a minor eye infection from improper lens washing. My eye was slightly red at first, but after a few hours, it turned runny and quite uncomfortable. I had to use antibiotic drops and go to glasses for a few days. The need to maintain good lens hygiene was emphasized by that experience.
Corneal Ulcers: Small Sores with Serious Consequences
Painful open sores called corneal ulcers develop on the cornea's surface, frequently as a result of infections, trauma, or extended use of contact lenses. These ulcers may result in impaired vision, light sensitivity, and excruciating discomfort. They can cause irreparable eyesight loss and possibly lifelong scarring if treatment is not received.
Corneal ulcers are mostly caused by:
- wearing bacteria-containing contact lenses that are filthy or have expired.
- Lens cleaning with saliva or tap water introduces dangerous microbes.
- Sleeping with contact lenses, which offers the perfect habitat for germs to grow.
I thought it was just dryness, so I once overlooked a slight discomfort in my eye. But the pain got worse, and I found out later that I had a little corneal abrasion that, if I had kept wearing my glasses, could have become an ulcer. I learned from that experience that you should never disregard even slight eye pain.
Hypoxia: When Contact Lenses Starve Your Eyes of Oxygen
The cornea, the transparent outer layer of the eye, receives oxygen straight from the atmosphere, something that many people are unaware of. Wearing contact lenses lowers the quantity of oxygen that enters the eye by acting as a barrier. The cornea may become oxygen-deprived from prolonged lens use, a condition known as hypoxia.
Hypoxia can have anything from minor to serious repercussions.
- In the early stages, it might make your eyes feel a little heavy, inflamed, or uncomfortable.
- Chronic oxygen deprivation can cause corneal edema, blurred vision, and an increased risk of infection over time.
- In severe situations, it may result in irreversible corneal scarring, which would impair eyesight forever.
I recall wearing my lenses for nearly 12 hours straight during a hard workday, and by the evening, my eyes felt heavy and inflamed. I figured I was just weary, but when I removed my lenses, my eyes were particularly red. My body used it as a warning that there wasn't enough oxygen reaching my eyes. I've since learned to take breaks from using my eyes by wearing glasses whenever I can.
Dry Eyes
The natural tear coating that hydrates our eyes can be disrupted by contact lenses. Wearing contact lenses can exacerbate dry eye syndrome in those who already have the illness. Dry eye symptoms include:
- A sandy or grainy feeling in the eyes.
- Discomfort, redness, and burning sensations.
- A sensation that something is lodged in the eye.
I've observed that my eyes become very dry after wearing my lenses for an extended period in an air-conditioned place. I have found that using lubricating eye drops made especially for contact lens users has helped me deal with this problem.
Allergic Reactions: When Contact Lenses and Solutions Cause Irritation
The components of contact lenses or the cleaning agents they utilize can cause allergic responses in certain persons. Itching, redness, and pain are possible side effects of these responses. Typical offenders include:
- Multipurpose contact lens solutions contain preservatives.
- Some people's eye chemistry may not be compatible with silicone hydrogel lenses.
I once tried a new contact lens solution without thoroughly examining its contents, and my eyes started to get really red and irritated just minutes after I inserted my lenses. I discovered that I was allergic to one of the preservatives. Since then, I've always used the remedy that my optometrist suggested.
Poorly Fitting Lenses: When the Wrong Fit Causes Damage
Contact lenses have to be snug and comfortable on the eye. They can move about and impair eyesight if they are too loose. They may cause irritation, redness, and even abrasions if they are excessively tight and push against the cornea.
I once attempted a new brand of lenses, assuming they would be the same as my go-to pair, without first talking to my eye doctor. My eyes were achy and unpleasant in a matter of hours. As it turned out, the glasses' curvature wasn't right for my eyes, and prolonged use may have damaged my cornea.
Overwearing Contact Lenses: The Habit That Can Cause Lasting Harm
The most frequent error made by those who wear contact lenses is to wear them for longer than is advised. Many people attempt to extend their lens use to save money, yet doing so might result in:
- Protein deposit accumulation, which lowers oxygen delivery to the eye.
- Higher chance of eye infections as a result of bacterial buildup.
- Increased likelihood of hypoxia, corneal ulcers, or possibly permanent harm.
I used to believe it was harmless to wear my monthly lenses for five or six weeks rather than four. However, after frequently feeling uncomfortable and red, I discovered that expired lenses lose their permeability, which makes them dangerous to wear. I now adhere closely to the replacement schedule.
Prevention: How to Reduce the Risks
Maintain Good Hygiene
Practicing good cleanliness is one of the most important ways to avoid diseases. Always wash your hands with soap and water before handling contact lenses, and make sure your hands are totally dry before contacting your lenses. I used to omit this step when I was pressed for time, but after repeatedly being irritated, I came to the realization that even a minor slip-up in personal cleanliness might cause dangerous microorganisms to enter the eyes.
Proper lens cleaning is equally crucial. Always clean and store your lenses using the suggested disinfectant solution. They can contain germs and pathogens that can lead to diseases, so never rinse them with tap water, saliva, or homemade remedies. Although some people think that water is innocuous, I have personally felt a little irritated after inadvertently using tap water rather than the appropriate solution to rinse my lens cover. I never made the same mistake twice.
Avoid Sleeping in Lenses
Unless you are using lenses made especially for prolonged wear, you must take out your lenses before bed, regardless of how exhausted you are. The risk of bacterial keratitis, one of the most dangerous eye infections that can cause irreversible vision loss, is greatly increased while using contact lenses while you sleep. I discovered this the hard way when I fell asleep with my glasses and woke up one morning with severe dryness and pain. I learned from that experience that I need to take a moment to take out my glasses before bed, regardless of how worn out I am at the end of the day.
Giving your eyes a rest at night helps them breathe and stay healthy, even if your lenses are allowed for prolonged use. Sleeping with contact lenses might deplete your eyes of oxygen, which is necessary for the cornea.
Replace Lenses as Directed to Avoid Build-up and Bacterial Growth
A daily, biweekly, or monthly replacement schedule is associated with each kind of contact lens. To keep your eyes healthy, you must stick to this routine. Protein deposits, germs, and debris build up on lenses with time, rendering them dangerous to wear over their suggested lifespan. I used to believe it wouldn't make much of a difference if I extended the life of my monthly lenses by a few more days. However, I quickly discovered that using expired lenses for longer than is advised raises the risk of infection and discomfort and makes them feel less comfortable.
One of the easiest yet most efficient methods to avoid difficulties is to dispose of your lenses on time and use new ones as directed.
Keep Lenses Away from Water to Avoid Dangerous Infections
Many people are unaware that even seemingly pure water can contain dangerous germs like Acanthamoeba, which can lead to Acanthamoeba keratitis, an uncommon but dangerous eye condition. This infection can cause irreversible eyesight loss and is challenging to cure. Wearing contact lenses while swimming, taking a shower, or utilizing a hot tub is thus strictly prohibited.
I stopped wearing my glasses in the shower right away after learning about the dangers of watery germs, even though I had previously believed it was safe. To reduce exposure, use waterproof goggles if you must wear glasses while swimming, and always clean your lenses afterward.
Use Proper Storage Practices
Just as crucial as having clean lenses is having a clean storage case. Reusing old disinfection solution might cause it to lose its efficacy and promote the growth of bacteria, therefore always keep your lenses in new solution. I thought that would be okay, but I made the error of adding a new solution to the previous one. I later discovered that doing so may actually weaken the disinfectant's effects and raise the possibility of infection.
Additionally, you should clean your lens case regularly using a solution rather than water and let it air dry entirely. Additionally, bacterial accumulation may be avoided by changing the casing every three months. All of your meticulous cleanliness efforts can be undone by introducing germs to clean lenses through an unclean or outdated lens case.
Give Your Eyes a Break from Contact Lenses
Despite their convenience, contact lenses can cause eye strain and decrease oxygen flow to the cornea if used for extended periods. A rest for your eyes is necessary if you feel dry, irritated, or uncomfortable. I wear glasses at least once a week to try to give my eyes a break, especially on days when I don't have to spend a lot of time outside.
Keeping your eyes moist can also be achieved using contact lens-safe lubricating drops, particularly if you spend a lot of time in air-conditioned settings or in front of a screen. It's important to consult your eye doctor before using any eye drops because not all of them are compatible with contact lenses.
Regular Eye Exams Ensure Long-Term Eye Health
Even if your eyesight appears to be fine, you should still get regular examinations with an ophthalmologist or optometrist. Before things worsen, an eye doctor can identify early indicators of infections, corneal damage, or lens-related concerns.
I used to believe that eye exams were only required when obtaining a new prescription, but I now make routine visits to ensure the health of my eyes after contracting an eye infection. Because a bad fit can lead to ocular pain and potentially long-term damage, your doctor can also ensure that your lenses fit correctly.
Recognizing Symptoms Early Can Prevent Serious Problems
Never disregarding indications of discomfort is among the most crucial lessons I've learned over the years. Remove your contact lenses right away and see an eye doctor if you feel red, irritated, tear a lot, or have any other odd pain. I had hoped that a day of suffering would go away by pushing through it, but it simply grew worse. I may have had a major infection if I had kept wearing my glasses.
By acting as soon as a problem arises, small problems can be avoided before they become serious ones. Listen to your eyes if they are unpleasant; sometimes the greatest thing you can do for your eye health is to take out your lenses and wear glasses for a day or two.
Use the Right Products for Your Eyes and Lenses
Using the incorrect contact lens solution might cause irritation or allergic reactions because they are not all the same. Using the remedy that your eye doctor recommends is always the best option. Certain solutions contain chemicals or preservatives that might not be appropriate for sensitive eyes or specific lens types.
I had used a different remedy since it was less expensive, but it caused me to get irritated and uncomfortable. I discovered that several chemicals didn't work well for my eyes after speaking with my optometrist. Since then, I have continued to use the approach that suits me the best.
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