Digital Eye Strain Calculator

Digital eye strain, also known as Computer Vision Syndrome (CVS), is a growing concern in our increasingly digital world. This calculator helps you assess your risk of digital eye strain and provides recommendations for healthier screen habits.

Why Use This Calculator?

Digital eye strain can cause:

• Eye fatigue and discomfort
• Blurred or double vision
• Headaches
• Dry or watery eyes
• Neck and shoulder pain

Understanding your risk helps:

• Prevent eye strain symptoms
• Develop better screen habits
• Maintain eye health
• Improve work productivity
• Reduce physical discomfort

How It Works

Our calculator analyzes:

• Daily screen time
• Break frequency and duration
• Screen distance and position
• Lighting conditions
• Existing eye conditions

To determine:

• Eye strain risk level
• Recommended break schedule
• Optimal screen settings
• Preventive measures

Understanding the Results

The calculator provides:

1. Eye Strain Risk Score: Your risk level from 0-100
2. Break Recommendations: Optimal break frequency and duration
3. Screen Setup Advice: Ideal positioning and settings
4. Lifestyle Adjustments: Suggested changes to reduce strain
5. Warning Signs: Symptoms to watch for

The 20-20-20 Rule

Follow this essential rule to prevent eye strain:

• Every 20 minutes
• Look at something 20 feet away
• For at least 20 seconds

Best Practices for Eye Health

1. Screen Position

   • Arms-length distance
   • Slightly below eye level
   • Minimal glare and reflections

2. Workspace Lighting

   • Even, ambient lighting
   • Avoid harsh contrasts
   • Reduce screen brightness

3. Break Habits

   • Regular short breaks
   • Full breaks every 2 hours
   • Outdoor time daily

Risk Calculation Formula

The eye strain risk score is calculated using:

Risk Score = (Daily Screen Hours × Impact Factor) / (Break Frequency × Break Quality)

Important Notes

• Results are estimates based on general guidelines
• Individual experiences may vary
• Consult an eye care professional for persistent symptoms
• Regular eye exams are essential
• Consider using blue light filters and proper screen settings