Dry Eye and Its Connection to Conjunctivitis Symptoms - Ophthalmology

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Conjunctivitis caused by dry eye?


Hello, I underwent laser vision correction surgery two months ago.
After waking up in an air-conditioned room, I experienced a foreign body sensation and pain in my eyes.
One day, it worsened, and my entire sclera was red, accompanied by a stinging and burning sensation, similar to conjunctivitis.
That night, I also had a headache, but it resolved after I slept.
I used anti-inflammatory steroid eye drops, and the next morning, my vision was slightly blurry (with flashes), but my eyes were no longer red or painful.
Is this normal? Should I be concerned about glaucoma? Thank you.

Huang, 20~29 year old female. Ask Date: 2009/06/29

Dr. Hu Yusheng reply Ophthalmology


Hello: You mentioned that it has been two months since your laser vision correction surgery, but you are still experiencing discomfort.
It is recommended that you discuss your concerns with your original surgeon, such as whether you have glaucoma, if the symptoms in an air-conditioned room are due to dry eye syndrome, whether the redness in your sclera is caused by conjunctivitis or aggravated dry eye syndrome, and whether the flashes and blurriness are due to corneal edema or if there are concerns regarding vitreous traction on the retina or retinal tears, among other issues.
Thank you for your inquiry.
Wishing you peace and good health.

Reply Date: 2009/06/29

More Info


Dry eye syndrome is a common condition that occurs when the eyes do not produce enough tears or when the tears evaporate too quickly. This can lead to symptoms such as discomfort, a feeling of dryness, irritation, and even redness of the eyes. In your case, it seems that your dry eye symptoms may have been exacerbated by environmental factors, such as being in an air-conditioned room, which can increase tear evaporation.

The connection between dry eyes and conjunctivitis (inflammation of the conjunctiva) is significant. When the eyes are dry, they can become more susceptible to irritation and inflammation, which can lead to conjunctivitis. The symptoms you described, such as the feeling of an object in your eye, pain, and redness, are consistent with both dry eye syndrome and conjunctivitis. The presence of a burning sensation and the redness of the sclera (the white part of the eye) further support this connection.

It is also important to note that your symptoms improved after using anti-inflammatory steroid eye drops, which suggests that inflammation was a significant component of your discomfort. However, the fact that you experienced blurred vision and flashes of light after using the drops raises some concerns. While these symptoms can be associated with various conditions, they should not be ignored, especially considering your history of laser eye surgery.

Regarding your concerns about glaucoma, it is essential to monitor any changes in vision, especially if you experience symptoms like blurred vision or halos around lights. Glaucoma is often asymptomatic in its early stages, but it can lead to irreversible vision loss if not treated. If you have a family history of glaucoma or other risk factors, it would be prudent to have regular eye examinations to check for intraocular pressure and assess the health of your optic nerve.

In summary, your symptoms of dry eye and conjunctivitis are likely interconnected, and managing your dry eye condition can help alleviate some of the conjunctivitis symptoms. Here are some recommendations:
1. Artificial Tears: Use preservative-free artificial tears regularly to keep your eyes lubricated, especially in dry environments.

2. Environmental Modifications: Try to minimize exposure to air conditioning or direct wind. Consider using a humidifier in your living space to maintain moisture in the air.

3. Regular Eye Exams: Schedule regular check-ups with your eye care professional to monitor your eye health, especially after laser surgery. Discuss any new symptoms you experience.

4. Avoid Eye Irritants: Stay away from smoke, dust, and other irritants that can exacerbate dry eye symptoms.

5. Medication Review: If you are using any eye drops, ensure that they are appropriate for your condition. Discuss with your doctor the duration of use and any potential side effects.

6. Monitor Symptoms: Keep track of your symptoms and any changes in your vision. If you notice any worsening symptoms or new issues, seek medical attention promptly.

By taking these steps, you can help manage your dry eye symptoms and reduce the risk of recurrent conjunctivitis. Always consult with your healthcare provider for personalized advice and treatment options tailored to your specific situation.

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