Digital Eye Strain: Symptoms, Causes, and Prevention
Digital eye strain, also referred to as computer vision syndrome, is a common condition caused by prolonged use of digital screens, including computers, smartphones, and tablets. This issue arises due to the constant focus and exposure to light that digital devices emit, especially blue light.
What Are the Symptoms of Digital Eye Strain?
Some of the most common symptoms include:
- Eye fatigue or discomfort
- Blurred vision
- Headaches
- Dry eyes
- Neck and shoulder pain
Causes of Digital Eye Strain
The condition is often caused by prolonged screen time, poor posture, improper lighting, and the lack of adequate displays optimized for eye care. Focusing on screens reduces our blink rate, leading to dry and irritated eyes.
How to Prevent Digital Eye Strain
Here are some effective ways to reduce digital eye strain:
- Follow the 20-20-20 rule: Every 20 minutes, look at something 20 feet away for 20 seconds.
- Use blue light filter glasses or enable blue light blocking mode on your device.
- Adjust screen brightness and contrast to match your environment.
- Keep proper distance from your device — at least an arm's length for computers.
- Maintain ergonomic seating and posture.
- Increase text size when reading lengthy materials.
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