What Happens If You Wear Contacts Too Long? The Risks of Extended Contact Lens Wear
Wearing contact lenses offers convenience and clear vision, but exceeding the recommended wear time carries significant risks. Ignoring proper care and wear schedules can lead to various eye problems, some mild and temporary, others severe and potentially permanent. This article explores the consequences of prolonged contact lens use and answers frequently asked questions.
Understanding Recommended Wear Schedules:
Before delving into the risks, it's crucial to understand that recommended wear schedules vary depending on the type of contact lenses. Daily disposables, for example, are designed to be discarded after a single day's use. Extended-wear lenses allow for overnight wear, but even these have limitations and require adherence to specific guidelines provided by your eye doctor. Never exceed the wear time recommended by your optometrist or ophthalmologist.
H2: What are the common problems associated with wearing contacts too long?
Prolonged contact lens use significantly increases your risk of several eye complications:
-
Corneal Ulcers: This is arguably the most serious risk. A corneal ulcer is an infection or inflammation of the cornea, the clear front part of your eye. Extended wear deprives the cornea of oxygen, making it more vulnerable to infection. Symptoms can include pain, redness, blurred vision, and excessive tearing. Untreated corneal ulcers can lead to vision loss or even blindness.
-
Giant Papillary Conjunctivitis (GPC): This inflammatory condition affects the conjunctiva, the membrane lining the inside of your eyelids and covering the white part of your eye. Prolonged contact lens wear, especially with improper cleaning, can trigger GPC, leading to itchy, watery eyes, redness, and a feeling of something being in your eye.
-
Contact Lens-Related Dry Eye: Even without infection, extended wear can lead to dry eyes. Contact lenses restrict the natural flow of tears, and prolonged use exacerbates this effect. Dry eyes can cause discomfort, irritation, and blurry vision.
-
Microbial Keratitis: This is an infection of the cornea caused by microorganisms, often bacteria or fungi. It is more likely to occur with extended wear and inadequate lens hygiene. Symptoms are similar to corneal ulcers, including pain, redness, and blurry vision.
H2: How long is too long to wear contacts?
There's no single answer to this question. The "too long" threshold varies drastically depending on the type of contact lenses you're using and your individual eye health. Always follow your eye doctor's instructions. They will consider your specific eye health, the type of lenses you're using (daily disposables, extended wear, etc.), and your lifestyle to determine the appropriate wear schedule. Disregarding their advice puts your vision at serious risk.
H2: What are the signs that I need to take my contacts out immediately?
If you experience any of the following symptoms while wearing contact lenses, remove them immediately and consult your eye doctor:
- Severe eye pain
- Sudden blurred vision
- Increased redness or swelling
- Excessive tearing or discharge
- Sensitivity to light
- Feeling of something in your eye
H2: Can sleeping in contacts cause blindness?
While not a guaranteed outcome, sleeping in contacts, especially those not designed for extended wear, significantly increases your risk of developing serious eye infections that could lead to vision impairment or blindness. The reduced oxygen supply to the cornea during sleep makes it highly susceptible to infection.
H2: What should I do if I accidentally wear my contacts for too long?
Remove your contact lenses immediately. If you experience any of the symptoms listed above, seek immediate medical attention. Even if you don't experience any immediate symptoms, schedule an appointment with your eye doctor as soon as possible to have your eyes examined.
Conclusion:
Proper contact lens care is paramount for maintaining eye health. Always follow your eye doctor's instructions regarding wear time and lens hygiene. Ignoring these recommendations can have severe consequences, potentially leading to irreversible damage to your vision. Prioritize your eye health—it's worth it.