Many people believe that worsening eyesight is simply inevitable....

@dr_ericberg
Dr. Eric Berg DC@dr_ericberg
6 views Oct 04, 2026 ~3 min read
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Many people believe that worsening eyesight is simply inevitable.

The truth is that you can naturally GET YOUR EYESIGHT BACK.

Don’t believe me? Check this out: 🧵
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By age 45, most people need glasses.

There is a specific problem that often goes undetected in routine eye exams.

It is called contrast sensitivity loss, which is the inability to see subtle differences between shades of gray.
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Contrast sensitivity loss causes blurriness, especially in low-light environments.

Standard eye exams use high-contrast charts, which are black letters on white backgrounds.

Because of this, the condition often goes undetected.
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Increasing light may improve visibility, but it does not address the underlying cause of this problem.

The primary issue is a decline in the retina’s natural antioxidants.
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The retina contains powerful antioxidants called carotenoids.

They help protect the eyes from blue light, oxidative stress, and age-related damage.

Levels of these carotenoids naturally decline with age.
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By age 65, you need twice as much light to see as you did at age 20.

This occurs because the eye absorbs light less efficiently with age.

Additional lighting improves visibility but does not restore carotenoid levels.

The first step is to increase exposure to natural sunlight.
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High-energy blue light can damage the eyes by increasing oxidative stress in the retina.

Sunlight provides both UV and infrared light.

Infrared light supports tissue health and builds up melatonin in the eyes, a powerful antioxidant that also protects against blue light damage.
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Next, increase your intake of lutein and zeaxanthin, two essential carotenoids found in foods such as egg yolks.

Pasture-raised eggs provide up to three times more carotenoids than commercial eggs.
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If you’re taking supplements, choose ones that provide at least:
• 10 mg lutein
• 2 mg zeaxanthin
• A source of fat, such as olive oil or MCT oil, to enhance absorption

Research shows this can significantly improve contrast sensitivity within 12 weeks.
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Avoid seed oils such as soy, canola, cottonseed, and sunflower.

These oils are high in omega-6 fatty acids and can negatively affect the eye’s membranes, especially the retina.

Instead, follow an ancestral diet that includes fatty fish like salmon.
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Fatty fish are rich in omega-3 fatty acids.

Omega-3s, especially DHA, are essential for retinal function.

The retina is an extension of the brain and relies heavily on DHA for healthy vision.
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Vitamin D also plays a major role in eye health.

Research shows benefits for conditions such as macular degeneration, retinopathy, and glaucoma.
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To summarize:

• Spend more time outdoors in natural light
• Use a full-spectrum light when reading or working
• Increase intake of lutein and zeaxanthin
• Eat egg yolks and fatty fish
• Take vitamin D
• Avoid seed oils
• Include zinc for additional support
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Vitamin A is also essential for night vision, and deficiencies can make low-light vision difficult.

And remember, your eyes are designed for natural light, not prolonged screen use.

Watch this video to learn more: youtu.be/oXhOK2880i8
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A bit about me:

I’m the creator of Healthy Keto® and Intermittent Fasting protocols, helping over 100M people make healthier choices.

Follow me @dr_ericberg for more evidence-based insights to improve your health and longevity.
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Most people waste months trying to fix everything at once, when only 1 thing actually needs fixing first. Fix that, and everything else starts to fall into place.

Take my free 2-minute quiz to find the #1 fix specific to you: bit.ly/42r2QDU
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What is one key takeaway you gained from this thread? Share it in the comments below.

I read every comment and often use them to create future content that matters to you.

Dr. Eric Berg, DC, not MD; information only.
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