Impact of Toothpaste in the Eye and Vision Problems Explained - Ophthalmology

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Toothpaste in the eyes and general vision problems?


(1) Yesterday, I accidentally got toothpaste in my right eye.
It stung a bit at the moment, but I rinsed it with clean water afterward.
What impact could this have on my eye?
(2) Recently, I've noticed a decline in vision in my right eye.
Could this be due to eye fatigue? I had a general eye examination last month, and the doctor said there were no issues.
However, I've recently observed that when I cover each eye to look at things, my left eye is clearer than my right.
Is this related to my significant refractive error? My right eye has over 300 degrees more than my left eye, but my glasses are properly prescribed and new.
What could be the reason for this? Could the higher prescription in my right eye lead to increased fatigue and blurred vision? My dominant eye is my right eye.

Teng, 20~29 year old female. Ask Date: 2020/08/27

Dr. Gao Pilin reply Ophthalmology


Hello, Teng:
1.
Toothpaste itself is not toxic or corrosive; however, it contains abrasives that can cause damage to the cornea if it comes into contact with it.
If there is no discomfort after rinsing, then it should be fine.

2.
If that is the case, you can reduce the prescription for the right eye slightly, ideally not exceeding 250 degrees.
This may help alleviate some fatigue in the right eye.
However, when looking at distant objects, you might rely more on the left eye, allowing the right eye to rest.

The ophthalmology department at Puzi Hospital in Taiwan is open:
Monday, Tuesday, Thursday, and Friday from 8:00 AM to 12:00 PM
Wednesday from 2:00 PM to 4:30 PM
Please note that online responses are for reference only; it is essential to seek medical attention at a healthcare facility if necessary.
I hope to have the opportunity to assist you.

Best regards,
Gao Pilin

Reply Date: 2020/08/27

More Info


When toothpaste accidentally gets into the eye, it can cause irritation due to its abrasive and chemical components. Toothpaste typically contains fluoride, abrasives, and detergents, which can lead to discomfort, redness, and potential damage to the eye's surface, particularly the cornea. If you experienced a stinging sensation but rinsed your eye thoroughly with water immediately afterward, you likely minimized the risk of serious injury. However, it is essential to monitor for any persistent symptoms such as redness, swelling, or changes in vision. If these symptoms occur, seeking medical attention from an eye care professional is crucial.

Regarding your second concern about the recent decline in vision in your right eye, it is possible that fatigue could be a contributing factor. You mentioned that you have a significant difference in prescription between your two eyes, with the right eye being over 300 degrees stronger than the left. This disparity can lead to visual discomfort and fatigue, especially if you are using your right eye more frequently for tasks like reading or working on a computer. The brain may struggle to process the differing inputs from each eye, leading to confusion and a sense of visual strain.

The fact that you have had a recent eye examination with no significant findings is reassuring, but it does not rule out the possibility of fatigue or strain from prolonged use. It is also worth noting that even with corrective lenses, the brain may still experience difficulty reconciling the differences in vision between the two eyes, which can lead to discomfort and a feeling of visual imbalance.

To alleviate some of the strain on your right eye, consider the following strategies:
1. Take Regular Breaks: Implement the 20-20-20 rule: every 20 minutes, take a 20-second break and look at something 20 feet away. This helps reduce eye strain from prolonged near work.

2. Adjust Lighting: Ensure that your workspace is well-lit to reduce the strain on your eyes. Avoid glare from screens by using anti-glare filters or adjusting the angle of your monitor.

3. Use Artificial Tears: If you experience dryness or discomfort, lubricating eye drops can help alleviate these symptoms.

4. Consider Vision Therapy: If the disparity in vision continues to cause discomfort, you might benefit from vision therapy, which can help improve coordination and comfort between the two eyes.

5. Consult with an Eye Care Professional: If your symptoms persist or worsen, it is essential to follow up with your eye doctor. They may recommend further evaluation or adjustments to your prescription to ensure optimal comfort and vision.

In summary, while toothpaste in the eye can cause irritation, immediate rinsing typically mitigates serious harm. The decline in vision in your right eye may be attributed to fatigue and the significant difference in prescription between your eyes. Implementing strategies to reduce strain and consulting with an eye care professional can help address these issues effectively.

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