Eye Issues: Redness, Glare, and Dry Eyes Explained - Ophthalmology

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Eye problems


I started noticing bloodshot eyes around September 23rd of this year.
Initially, there was no glare, but starting in October, I began to experience glare.
Doctor, can dry eyes cause bloodshot eyes and glare? If I stop using my phone and switch to reading comic books, some of which have smaller text that I need to hold closer to see clearly, will that affect my eyes? What if I read the comic books in a well-lit area?

Xiao Jun, 20~29 year old female. Ask Date: 2023/12/07

Dr. Gao Pilin reply Ophthalmology


Hello: Dry eye syndrome often causes bloodshot eyes and glare.
The bloodshot appearance may be due to dryness or irritation of the eye surface, which is a common symptom of dry eye syndrome.
The glare may result from uneven or dry surfaces of the cornea causing light refraction.
Therefore, the symptoms you described are highly associated with dry eye syndrome.
Regarding reading comic books, prolonged viewing of small text and holding the book too close can exacerbate eye fatigue and dryness, especially in dim lighting conditions.
Even in well-lit areas, if you focus on small text for extended periods or keep your eyes in a state of overuse, it can still affect your eyes.
To alleviate eye fatigue and dryness, it is recommended to maintain an appropriate reading distance and lighting conditions while reading.
Take regular breaks, blink frequently, and allow your eyes to relax.
Additionally, consider using artificial tears or lubricating eye drops to help relieve dry eye symptoms.

Reply Date: 2023/12/07

More Info


Understanding eye issues such as redness, glare, and dry eyes is crucial for maintaining good ocular health. Based on your description, it appears that you have been experiencing symptoms like redness in the eyes and glare, which can be linked to several underlying factors, including dry eyes.


Redness in the Eyes
The presence of bloodshot eyes, or conjunctival injection, can be attributed to various causes. One common reason is dry eyes, which can lead to irritation and inflammation of the conjunctiva, the clear membrane covering the white part of the eye. When the eyes do not receive enough moisture, they can become red and irritated. Other potential causes of redness include allergies, infections, or even prolonged screen time, which can strain the eyes and exacerbate dryness.


Glare and Visual Disturbances
Glare, or the perception of bright light that can cause discomfort or hinder vision, can also be associated with dry eyes. When the tear film is insufficient, it can lead to irregularities on the surface of the cornea, causing light to scatter and resulting in glare. This is particularly noticeable in low-light conditions or when transitioning from dark to bright environments.


The Impact of Screen Time
Regarding your question about switching from screens to reading manga books, it is important to consider how you read. If you are holding the book closer to your eyes to read smaller text, this can still cause strain, especially if you are not taking regular breaks. The act of focusing on small print for extended periods can lead to eye fatigue, which may exacerbate symptoms of dryness and redness.

Reading in Good Lighting
Reading in well-lit conditions can help reduce eye strain. Adequate lighting minimizes the effort your eyes need to exert to focus on the text, which can alleviate some discomfort. However, it is still essential to practice good habits, such as the 20-20-20 rule: every 20 minutes, take a 20-second break to look at something 20 feet away. This practice helps to relax the eye muscles and reduce fatigue.


Recommendations for Managing Symptoms
1. Artificial Tears: If you are experiencing dry eyes, using preservative-free artificial tears can help lubricate the eyes and reduce redness. These can be used as often as needed to maintain comfort.

2. Limit Screen Time: While it is beneficial to reduce screen time, ensure that any reading you do is done in a comfortable position with adequate lighting.
3. Regular Eye Exams: It is essential to have regular check-ups with an eye care professional. They can assess your symptoms and determine if there are any underlying conditions contributing to your eye issues.

4. Stay Hydrated: Ensure you are drinking enough water throughout the day, as hydration can impact tear production.

5. Consider Environmental Factors: Dry air, such as that from air conditioning or heating, can exacerbate dry eye symptoms. Using a humidifier can help maintain moisture in the air.


Conclusion
In summary, dry eyes can indeed lead to symptoms such as redness and glare. Transitioning from screens to reading physical books can be beneficial, provided you maintain good reading habits and lighting conditions. If your symptoms persist or worsen, it is advisable to consult with an eye care professional for a comprehensive evaluation and tailored treatment plan. Taking proactive steps to manage your eye health can significantly improve your comfort and visual clarity.

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