What You Should Consider:

  • Consulting with an Eye Specialist: If you have a specific eye condition, it’s best to consult with an ophthalmologist or optometrist. They can offer advice tailored to your condition and overall health.
  • Maintaining Overall Health: Since eye health is closely connected to overall health, maintaining a balanced diet, managing systemic inflammation, and keeping chronic conditions under control can all contribute to better eye health.
  • Are Probiotics Right for You: It’s important to note that while probiotics can be beneficial for many people, they are not suitable for everyone, especially those with weakened immune systems or underlying health conditions. It’s advisable to consult a healthcare provider before starting any probiotic supplement. While probiotics offer some benefits for eye health, they should not replace traditional treatments prescribed by your eye care provider.

Research on the potential benefits of probiotics for dry eye disease (DED) is emerging, and there are a number of  studies suggesting a possible benefit. The following are just a few key studies that have explored the relationship between probiotics and dry eye disease:

1. Gut Microbiota and Dry Eye Disease:

Study: A study published in the Journal of Ocular Pharmacology and Therapeutics (2021) examined the role of gut microbiota in patients with dry eye disease. The researchers found that patients with DED had altered gut microbiota compared to healthy controls, suggesting a possible link between gut health and dry eye.

Conclusion: The study proposed that restoring gut microbiota balance through probiotics could be a potential therapeutic strategy for managing DED.

2. Probiotics and Inflammation:

Study: A study in the American Journal of Clinical Nutrition (2017) looked at the effects of probiotic supplements on systemic inflammation. Since inflammation is a key factor in dry eye disease, the researchers suggested that reducing systemic inflammation with probiotics could potentially alleviate DED symptoms.

3. Specific Probiotics and Dry Eye:

Study: A small pilot study conducted in Japan (published in Ophthalmology in 2020) explored the effects of Lactobacillus strains on dry eye symptoms. The study involved participants with mild to moderate DED who were given a probiotic supplement containing Lactobacillus.

Results: Participants reported a reduction in dry eye symptoms and improved tear stability after taking the probiotics.

4. Probiotics and Tear Production:

Study: Another study published in Cornea (2022) investigated the effects of a synbiotic (a combination of probiotics and prebiotics) on tear production in patients with dry eye. The study found that patients who took the synbiotic had improved tear production and reduced ocular surface inflammation.

Conclusion: The study suggested that synbiotics could help manage dry eye symptoms by enhancing tear production and reducing inflammation.

Summary

While these studies suggest a potential benefit of probiotics for managing dry eye disease, the research is still in its early stages, and more rigorous, large-scale clinical trials are needed to establish a definitive connection. If you’re considering probiotics for dry eye disease, it’s best to consult with your eye care provider to discuss whether this approach might be appropriate for you.

Studies on Benefits of Probiotics and dry eye:

From Gut to Eye: Exploring the Role of Microbiome Imbalance in Ocular Diseases

The Impact of Probiotics and Prebiotics on Dry Eye Disease Signs and Symptoms

An Oral Probiotic Can Treat Dry Eye Disease

Probiotics are DED Friendly

Are Microbiota and Probiotics Ready for Use in Ophthalmology?

Alleviate Effect of Probiotics and Prebiotics on Dry Eye in Type 2 Diabetic Mice Through Gut-Eye Axis

IDDF2024-ABS-0103 Efficacy of Probiotic Interventions in Ameliorating Dry Eye Syndrome

Lactobacillus fermentum HY7302 Improves Dry Eye Symptoms in a Mouse Model of Benzalkonium Chloride-Induced Eye Dysfunction and Human Conjunctiva Epithelial Cells

From Gut to Eye: Exploring the Role of Microbiome Imbalance in Ocular Diseases

Microbiome and immune-mediated dry eye: a review

Oral probiotic bacterial strain found to improve dry eye disease in animal model

The Effect of Ophthalmic and Systemic Formulations of Latilactobacillus sakei on Clinical and Immunological Outcomes of Patients With Dry Eye Disease: A Factorial, Randomized, Placebo-controlled, and Triple-masking Clinical Trial

Gut microbiota and eye diseases: A review