Red Spots on Contact Lenses: Causes and Cleaning Solutions Explained - Ophthalmology

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Red spots appear on contact lenses?


Hello Doctor: I have noticed red spots on my contact lenses due to frequent exposure at the train station.
Since I haven't had them for long, I would like to wear them for a while longer.
Could this lead to any adverse symptoms? Additionally, I have seen various ultraviolet contact lens cleaning machines on the market.
Are there any cleaning machines that are actually more effective than manual cleaning? (It can be quite cumbersome to clean them by hand every day.) Thank you for taking the time to answer my questions!

carolyn, 20~29 year old female. Ask Date: 2006/10/06

Dr. Ke Meilan reply Ophthalmology


Hello: The red spots may be due to deposits from the lens or iron deposits; please discard them.
I believe it is safer to clean them by hand.
It is worth putting in some effort for aesthetics and convenience, but please remember to soak them in a cleaning solution.
Sincerely, Dr.
Komeilan, Ophthalmology.

Reply Date: 2006/10/06

More Info


When it comes to red spots appearing on your contact lenses, it’s essential to understand the potential causes and the best practices for maintaining eye health. The red spots you are observing could be due to several factors, including deposits from tears, environmental irritants, or even bacterial contamination. Given that you frequently visit a train station, which is often a high-traffic area with varying air quality and potential allergens, it’s possible that these factors are contributing to the issue.

Firstly, if you notice red spots on your contact lenses, it is advisable to discontinue their use immediately. Continuing to wear lenses that show signs of contamination can lead to more severe symptoms, such as eye irritation, redness, or even infections. Symptoms of an eye infection can include increased redness, discharge, discomfort, and blurred vision. If you experience any of these symptoms, it is crucial to consult an eye care professional promptly.

Regarding your question about cleaning methods, while there are various contact lens cleaning devices available on the market, including UV cleaning machines, manual cleaning remains a critical component of lens care. The effectiveness of cleaning devices can vary, and while some may offer additional disinfection, they should not replace the essential practice of manual cleaning. Manual cleaning involves rinsing the lenses with a recommended solution and gently rubbing them to remove deposits. This method ensures that any debris or contaminants are effectively removed.

The use of UV cleaning devices can be beneficial as a supplementary method, particularly for disinfecting lenses after manual cleaning. However, it is important to note that these devices should not be solely relied upon. Regular hand washing and proper lens hygiene are paramount. Always wash your hands thoroughly before handling your lenses, and ensure that your lens case is cleaned and replaced regularly.

In terms of convenience, while cleaning machines may save time, they should not compromise the thoroughness of your cleaning routine. It is crucial to follow the guidelines provided by your eye care professional and the lens manufacturer regarding cleaning and storage.
In summary, if you notice red spots on your contact lenses, it is best to stop using them and consult with an eye care professional. Manual cleaning is still the gold standard for maintaining lens hygiene, and while UV cleaning devices can be a helpful addition, they should not replace proper manual cleaning practices. Always prioritize your eye health by adhering to recommended cleaning protocols and seeking professional advice when necessary.

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