Dry eye syndrome is a common condition that can cause discomfort, blurry vision, and a gritty or burning sensation in the eyes. While environmental factors and digital screen use are well-known triggers, there is growing evidence that nutritional deficiencies may also play a role in the development and severity of dry eye symptoms.
The eyes rely on a complex system of glands and tear components to stay lubricated and healthy. A lack of key nutrients can interfere with tear production and quality, leading to inflammation and dryness. Essential vitamins and minerals help support the structures of the eye and maintain a stable tear film.
Several nutrients are particularly important when it comes to preventing or managing dry eye syndrome:
Omega 3 Fatty Acids: Found in fatty fish like salmon and in flaxseed, omega 3s help reduce inflammation and support healthy oil production in the meibomian glands. These glands produce the oily layer of tears that prevents evaporation. A deficiency in omega 3s has been linked to increased dry eye symptoms and instability in the tear film.
Vitamin A: Vitamin A is essential for maintaining the health of the corneal surface and promoting proper tear production. Deficiency in this vitamin can lead to severe dryness and even corneal damage in extreme cases. Good sources include carrots, sweet potatoes, spinach, and liver.
Vitamin D: Often known for its role in bone health, vitamin D also has anti-inflammatory properties. Some studies suggest that low vitamin D levels may be associated with chronic dry eye, particularly in individuals with autoimmune disorders.
B Vitamins: B vitamins, especially B12, are important for nerve function and may help reduce eye discomfort associated with dryness. A deficiency in B12 has been linked to a higher risk of dry eye symptoms, particularly in older adults and those with absorption issues.
Zinc: Zinc supports the metabolism of vitamin A and contributes to the health of the retina and cornea. A zinc deficiency can lead to night blindness and may also play a role in ocular surface disorders, including dry eye.
In addition to addressing nutrient deficiencies, there are several other strategies that can help manage dry eye symptoms. Using a humidifier in your home or workspace can add moisture to the air and prevent your eyes from drying out. Taking regular breaks from digital screens by following the 20-20-20 rule helps reduce eye strain and encourages natural blinking. Applying warm compresses to the eyelids can improve oil flow from the meibomian glands, while over-the-counter lubricating eye drops can provide temporary relief. For more persistent cases, prescription treatments or in-office procedures may be recommended by your optometrist to target the underlying cause.
Dry eye syndrome can be complex and multifactorial. At San Marino Optometry, we conduct comprehensive eye exams that allow us to identify the root causes of your symptoms and recommend personalized treatment options.
Schedule an eye exam with San Marino Optometry to get to the root of your dry eye symptoms and explore personalized solutions for relief. Contact our office in San Marino, California, by calling (626) 415-3600 to book an appointment today. We proudly serve the San Marino, San Gabriel, and Arcadia communities.