Digital eye strain can affect far more than just your eyes. Discover what happens to your eyes and brain after 8 hours of screen time, how screen use can contribute to myopia, and the best strategies for eye strain relief.

0:00 Digital eye strain

0:25 Myopia in children

1:18 Computer eye strain hour by hour

3:25 Sunlight and your eyes

6:15 Peripheral vision and digital eye strain

6:43 Nearsightedness after 8 hours of screen time

7:11 How to reduce eye strain

8:38 Daily sun for eye strain relief

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Digital eye strain is becoming increasingly common as screen time continues to rise. Because the retina is actually brain tissue, prolonged screen use can affect both eye health and brain function.

The ciliary muscle controls the lens of the eye, allowing you to focus on objects that are near or far away. Extended screen time keeps this muscle contracted for hours at a time, making it difficult for the eyes to relax.

During the first few hours of screen use, you may not notice any symptoms. As screen time continues, your blink rate can drop significantly, reducing the lubrication of the eyes and contributing to digital eye strain.

After several hours of continuous screen use, the ciliary muscle can lose its ability to fully relax, similar to a muscle cramp. This may contribute to eye fatigue, difficulty focusing, dizziness, disorientation, reduced peripheral vision, and other symptoms associated with prolonged screen exposure.

One of the best ways to reduce eye strain and support eye health is to regularly look into the distance and spend time outdoors. Try leaving the house without your phone for 20 minutes and allow your gaze to naturally drift. Taking frequent breaks outside can help relax the eyes, support healthy vision, and may help reduce the risk of myopia.

Dr. Eric Berg, DC Bio:

Dr. Berg, age 61, is a chiropractor who specializes in Healthy Ketosis & Intermittent Fasting. He is the Director of Dr. Berg Nutritionals and author of the best-selling book The Healthy Keto Plan. He no longer practices, but focuses on health education through social media.

Disclaimer:

Dr. Eric Berg received his Doctor of Chiropractic degree from Palmer College of Chiropractic in 1988. His use of “doctor” or “Dr.” in relation to himself solely refers to that degree. Dr. Berg is a licensed chiropractor in Virginia, California, and Louisiana, but he no longer practices chiropractic in any state and does not see patients, so he can focus on educating people as a full-time activity, yet he maintains an active license. This video is for general informational purposes only. It should not be used to self-diagnose, and it is not a substitute for a medical exam, cure, treatment, diagnosis, prescription, or recommendation. It does not create a doctor-patient relationship between Dr. Berg and you. You should not make any change in your health regimen or diet before first consulting a physician and obtaining a medical exam, diagnosis, and recommendation. Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition.