Is your eyes feeling dry and irritated? This might be the cause...
Written by Susan Parker | Updated on May 28, 2025
Reviewed by Susan Parker
Key Takeaways
Omega-3 fats in DHA are crucial for eye health
DHA helps improve vision and combat dry eye
Stress can compromise eye health and vision
Frequently Asked Questions
Key Takeaways
Omega-3 fats in DHA are crucial for eye health
DHA helps improve vision and combat dry eye
Stress can compromise eye health and vision
Frequently Asked Questions
You may not have measured the weight of your eyes, but if you did, you would discover that up to 20 percent of an eyeball's weight is comprised of a crucial nutrient...
This essential nutrient is often lacking in many people's daily diets. Furthermore, insufficient levels of this vital nutrient can lead to dryness and irritation in the eyes, as well as a decline in vision.
Here's the scoop...
Various studies have shown that omega-3 fats from fish oil are essential for proper eye function.
In particular, the light-sensitive cells in the retina of the eye require a fatty acid found in fish oil called DHA (Docosahexaenoic acid). While all cells in the body require fatty acids for membrane formation and other structures, eye cells contain a higher proportion of DHA in their fatty acid composition compared to other cells in the body.1
Researchers in Spain have reviewed studies on the benefits of DHA and have found that DHA serves as a powerful antioxidant compound that enhances eye health.2
Similarly, studies conducted at Louisiana State University have shown that DHA helps strengthen the defense mechanisms of retinal cells against potential oxidative damage caused by intense light entering the eyes.3
DHA has also been proven to help prevent dry eyes, a condition affecting over 30 million Americans, about one in seven individuals.
A clinical trial at the Baylor College of Medicine-Cullen Eye Institute revealed that taking supplements of DHA along with omega-3 fats GLA and EPA for six months can alleviate eye irritation associated with this condition and alleviate the painful inflammation caused by dry eyes.4
But wait, there's more...
Aside from the lack of DHA, research indicates that prolonged stress can significantly impact eye health and visual acuity. German researchers, who have examined studies on the effects of stress on vision, suggest that stress can be a major factor in conditions like glaucoma and optic neuropathy.
Their investigations indicate that stress can set off a dangerous cycle that threatens eyesight.
According to the researchers, cortisol (the stress hormone) and inflammation triggered by stress can be harmful to retinal tissues during stressful periods.5
To help protect your eyes from these challenges, the German researchers recommend stress management techniques such as meditation. They highlight that meditation can counteract stress symptoms by slowing breathing, relaxing muscles, and normalizing blood pressure.7
Furthermore, they explain that meditation has been shown to have physiological effects that can alleviate glaucoma by reducing eye pressure, cortisol levels, and regulating the production of aqueous humor in the eye.
Exercise is also beneficial for reducing stress. Research from Asia suggests that aerobic activities like running, walking, dancing, and swimming can help alleviate dry eye problems.8
The key takeaway here is to prioritize your eye health. Don't wait until you experience dry eyes or vision deterioration before taking steps to reduce stress levels and increase DHA intake in your diet. In some cases, once vision is lost, it may not be reversible. Additionally, by exercising, managing stress, and boosting your DHA levels, you can significantly enhance not only your eye health but your overall well-being. Your eyes and your body will thank you.
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