Key Takeaways
- Poor contact lens hygiene is one of the most common corneal ulcer causes and can increase the risk of serious eye infections.
- Sleeping in contact lenses or wearing them longer than recommended may damage the cornea and allow germs to enter.
- Early symptoms such as eye pain, redness, blurred vision and light sensitivity should never be ignored.
- Prompt assessment and treatment can help reduce the risk of vision complications.
Could Your Everyday Contact Lens Routine Be Putting Your Eyes at Risk?
For many people, contact lenses are a convenient alternative to glasses. However, even small mistakes in lens care can increase the risk of developing a corneal ulcer, an open sore on the clear front surface of the eye (the cornea). Corneal ulcers are often linked to infections, although they can also develop due to injuries or other eye conditions.
The good news is that many contact lens-related risks are preventable with proper eye care habits.
What Are the Most Common Corneal Ulcer Causes?
Several factors can contribute to the development of a corneal ulcer. While infections are the leading cause, lifestyle habits also play an important role. Some of the most common corneal ulcer causes include,
- Wearing contact lenses overnight unless specifically advised by your eye care professional
- Using lenses beyond their recommended replacement schedule
- Cleaning lenses with tap water instead of approved lens solution
- Reusing or topping up old contact lens solution
- Poor hand hygiene before handling lenses
- Swimming or showering while wearing contact lenses
- Eye injuries that damage the surface of the cornea
- Severe dry eyes that affect the protective tear film
- Certain bacterial, viral, fungal or parasitic eye infections
When the cornea develops tiny scratches or becomes irritated, germs can enter more easily, increasing the likelihood of infection.
Which Contact Lens Habits Can Increase Your Risk?
Many people wear contact lenses daily without problems, but certain habits may increase the risk of complications. You should watch out for these common mistakes,
- Sleeping with contact lenses still in place
- Wearing lenses for longer than recommended each day
- Continuing to wear lenses despite eye discomfort
- Failing to replace the contact lens case every few months
- Sharing contact lenses with another person
- Wearing damaged or expired lenses
- Missing regular eye examinations
Although these habits may seem harmless, they can affect the health of the cornea over time.
What Symptoms Should You Look Out For?
A corneal ulcer requires timely medical attention. Early recognition may help reduce the risk of further damage. Some symptoms may include,
- Persistent eye pain
- Redness that does not improve
- Excessive tearing or discharge
- Blurred or reduced vision
- Increased sensitivity to light
- The feeling that something is stuck in the eye
- A visible white or grey spot on the cornea in some cases
If you experience any of these symptoms, remove your contact lenses immediately and seek an eye assessment as soon as possible.
How Can You Help Protect Your Eyes?
Good contact lens hygiene can lower the risk of many corneal ulcer causes. You should consider these simple habits,
- Wash and dry your hands before handling lenses.
- Use a fresh contact lens solution every time you store your lenses.
- Never rinse lenses with tap water.
- Replace your lenses according to the recommended schedule.
- Replace your contact lens case regularly.
- Avoid wearing contact lenses while swimming or sleeping unless advised otherwise.
- Attend routine eye examinations even if your eyes feel healthy.
These small steps can help maintain healthy eyes and reduce the likelihood of complications.
Frequently Asked Questions
Can wearing contact lenses always cause a corneal ulcer?
No. Many people wear contact lenses safely. The risk generally increases when lenses are not cleaned, stored or worn according to recommended instructions.
Is a corneal ulcer an emergency?
A corneal ulcer should be assessed promptly. Delaying treatment may increase the risk of vision complications, depending on the underlying cause and severity.
Can I continue wearing contact lenses if my eye feels irritated?
It is advisable to remove your contact lenses if you experience pain, redness or blurred vision and arrange an eye assessment before wearing them again.
Are daily disposable contact lenses safer?
Daily disposable lenses may reduce certain hygiene-related risks because a fresh pair is used each day. However, proper hand hygiene and correct lens use remain important.
Protect Your Vision with Timely Eye Care
If you have persistent eye discomfort, redness, blurred vision or are concerned about possible corneal ulcer causes, seeking an early assessment is important.
At London Eye & Retina Specialist Centre, Dr James Ng Kin Wah provides comprehensive evaluation and management of a wide range of eye conditions, including corneal problems. If you are experiencing symptoms or have questions about safe contact lens use, schedule a consultation to receive an appropriate assessment and personalised advice for your eye health.
