Eye Fatigue: Causes, Symptoms, and Treatment Options

Eye fatigue and pressure?

I experience a feeling of swelling, dryness, and tightness in the muscles around my right eye when using a computer or smartphone.
I have undergone a fundus examination, and everything appeared normal, including my vision and intraocular pressure (left eye: -600 degrees, right eye: -700 degrees).
I have tried using fatigue-relief eye drops (Eyehelp) and B12, but I haven't noticed much improvement.
I have also attempted to reduce my screen time, but the symptoms persist.
Even when I'm not using screens, I still feel slight tightness and mild swelling in my right eye.
I used to frequently use my phone and computer.
Could this be causing irreversible muscle fatigue in my eyes? What treatment options are available for improvement? Or could there be other reasons for these symptoms? Thank you, doctor.

Jerry, 20~29 year old female. Ask Date: 2016/05/02

Dr. Wang Zhangji reply Ophthalmology

The emergence of the problem is not an overnight occurrence, and alleviating it also requires time.
It is recommended to check for any issues related to dry eye syndrome.

Reply Date: 2016/05/02

More Info

Eye fatigue, also known as asthenopia, is a common condition that can arise from various factors, particularly in our modern world where prolonged screen time is prevalent. Your symptoms of feeling pressure, dryness, and tightness around the right eye, despite normal eye examinations and vision, suggest that you may be experiencing a combination of eye strain and possibly other underlying issues.

Causes of Eye Fatigue
1. Prolonged Screen Time: Spending extended periods on computers or mobile devices can lead to digital eye strain. This condition is characterized by symptoms such as dryness, irritation, and discomfort due to reduced blinking rates and the blue light emitted from screens.

2. Refractive Errors: You mentioned having significant myopia (600 degrees in the left eye and 700 degrees in the right). If your prescription is not adequately corrected, it can lead to eye strain as your eyes work harder to focus, especially on near objects.

3. Muscle Fatigue: The muscles around the eyes, including the ciliary muscles responsible for focusing, can become fatigued from overuse. This is particularly true if you frequently switch between different focal distances (e.g., from screen to print).

4. Dry Eye Syndrome: Insufficient tear production or poor-quality tears can lead to dryness and discomfort. This condition can be exacerbated by environmental factors such as air conditioning, heating, or prolonged screen use.

5. Underlying Conditions: Conditions such as migraines or tension headaches can also manifest as eye discomfort. If you experience headaches alongside your eye symptoms, it may be worth exploring this further with a healthcare provider.

Symptoms of Eye Fatigue
Common symptoms associated with eye fatigue include:
- Dryness or a gritty sensation in the eyes
- Blurred or double vision
- Difficulty focusing
- Eye discomfort or pain
- Headaches, particularly around the eyes or temples
- Sensitivity to light

Treatment and Management Options
1. Regular Eye Exams: Since you have already had your eyes checked, ensure that you continue to have regular follow-ups, especially if your symptoms persist. An updated prescription may be necessary.

2. Proper Eyewear: Consider using glasses specifically designed for computer use, which may include anti-reflective coatings and blue light filters. If you have not already, you might also want to explore bifocal or progressive lenses if you are experiencing signs of presbyopia (age-related difficulty in focusing on close objects).

3. The 20-20-20 Rule: To alleviate digital eye strain, follow the 20-20-20 rule: every 20 minutes, take a 20-second break to look at something 20 feet away. This helps relax the eye muscles.

4. Artificial Tears: If dryness is a significant issue, using preservative-free artificial tears can help maintain moisture in your eyes. This can be particularly beneficial if you are in a dry environment or spend a lot of time in front of screens.

5. Adjust Your Workspace: Ensure that your computer screen is at eye level and about an arm's length away. Proper lighting can also reduce glare and strain.

6. Eye Exercises: Simple eye exercises can help relieve tension. For example, try rolling your eyes or focusing on a distant object for a few seconds.

7. Lifestyle Changes: Reducing screen time, taking regular breaks, and ensuring you stay hydrated can also contribute to overall eye health.

8. Consult a Specialist: If symptoms persist despite these measures, consider consulting an ophthalmologist or an optometrist who specializes in vision therapy. They can provide tailored exercises and therapies to strengthen eye muscles and improve focusing abilities.

Conclusion
While it is unlikely that your symptoms are indicative of irreversible muscle fatigue, they do warrant attention and management. By implementing the strategies mentioned above and maintaining regular communication with your eye care provider, you can effectively manage and potentially alleviate your symptoms. Remember, your eyes are vital, and taking proactive steps to care for them is essential for long-term health and comfort.

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