How to spot common contact lens problems

Q: How do I know if my contact lenses are causing problems?

Signs like discomfort, blurred vision, redness, or unusual discharge are clues. Always pay attention to how your eyes feel—if something doesn’t seem right, it’s time to check with your eye doctor.

Q: What should I do if I experience blurry or fuzzy vision?

Remove your lenses and inspect them carefully. If they’re damaged or dirty, replace them. For daily disposable, always use a new lens. For reusable lenses, if blurry vision persists even after cleaning, dispose of the lens. If blurriness continues with new lens, remove the lens and contact your eye doctor.

Q: Is it normal to feel dryness or irritation?

Mild dryness can happen occasionally, especially in dry environments. However, if dryness, redness, or irritation become persistent, it’s a sign that your eyes might need attention. Don’t ignore ongoing discomfort—talk to your eye doctor.

Q: Can water cause contact lens problems?

Yes, water can contain harmful microbes that can cause infections. Always remove your lenses before swimming, showering, or using water in any activity involving water to help keep your eyes safe.

Q: How often should I replace my lenses or lens case?

Follow your eye care professional’s advice, but generally, lenses are replaced according to your prescribed schedule—daily, bi-weekly, or monthly. Lens cases should be replaced every one to three months to prevent bacteria buildup.

Q: What if I notice something unusual with my lenses?

Stop wearing them immediately and contact your eye doctor. Do not try to fix or reuse damaged lenses, as this can lead to further problems.

Q: Are all contact lens problems preventable?

Most issues can be avoided with proper hygiene, routine eye exams, and following your doctor’s advice on lens wear and care routines. Good habits go a long way in helping keep your eyes healthy.

Q: Are there long-term contact lens wear problems

If you don’t care for your contacts correctly, or don’t throw them away on time, you have more of a chance of developing any of the contact lens issues listed above, plus other potential issues like corneal hypoxia or giant papillary conjunctivitis.

Medically reviewed on September 15, 2025

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Published on February 3, 2026

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6 minute read

When in doubt, reach out to your eye doctor

Lens defects

Problems with the lenses themselves

What to look for:

Eye health issues

Common contact lens related eye problems

Dryness

Blurry vision

Possible causes of blurry visions with contacts

Irritation

Eye infection

Scratched cornea

More about scratched corneas

What’s next?

Questions? Contact your eye doctor.

Questions about your contact lenses? We’re here to assist.

FAQs

Frequently asked questions

How do I know if my contact lenses are causing problems?

What should I do if I experience blurry or fuzzy vision?

Is it normal to feel dryness or irritation?

Can water cause contact lens problems?

How often should I replace my lenses or lens case?

What if I notice something unusual with my lenses?

Are all contact lens problems preventable?

Are there long-term contact lens wear problems