Eye strain, or asthenopia, is a broad term covering the temporary feeling of discomfort in your eyes after using them too intensely. It can happen with excessive screen time, reading, or focusing closely on objects.

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Understanding eye strain—symptoms, causes, and prevention

Q: What are the common symptoms of eye strain?

Symptoms may include sore or tired eyes, blurred vision, headaches, difficulty concentrating, and dry or watery eyes. You may also feel heavy eyelids or experience sensitivity to light.

Q: How can I prevent eye strain?

You can help prevent eye strain by following the 20-20-20 rule, adjusting your screen and lighting, blinking often, taking breaks, and maintaining a comfortable workspace.

Q: When should I see an eye care professional?

Any time you experience symptoms that are concerning to you, you should reach out to your eye care professional for guidance. This is especially true if you notice any changes in your vision or if you experience severe discomfort.

Q: Do blue light glasses help with eye strain?

Blue light glasses are popular, but there’s not enough well-conducted research to show they reduce eye strain.

Published on September 1, 2025

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5 minute read time

What is eye strain?

Find an Eye Care Professional

Common symptoms of eye strain

What can cause eye strain or fatigue?

Five ways to help prevent eye strain

See an eye doctor with any questions or concerns

Find an Eye Doctor

FAQs

Frequently asked questions

What is eye strain?

What are the common symptoms of eye strain?

How can I prevent eye strain?

When should I see an eye care professional?

Do blue light glasses help with eye strain?

Understanding eye strain—symptoms, causes, and prevention

What is eye strain?

Common symptoms of eye strain

What can cause eye strain or fatigue?

Five ways to help prevent eye strain

See an eye doctor with any questions or concerns

Frequently asked questions

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