Hello, Thyroxin is a hormone produced by the thyroid gland that helps regulate metabolism in the body. It is not directly associated with dry eyes, but some people with thyroid disorders, such as hypothyroidism, may experience dry eyes as a symptom. If you are experiencing dry eyes as a result of thyroid dysfunction, treating the underlying thyroid disorder is the best course of action. This may involve taking thyroid hormone replacement therapy, such as levothyroxine (brand name Synthroid), to restore normal thyroid function. In addition to treating the thyroid disorder, there are several remedies that can help relieve dry eyes, such as: - Artificial tears: Over-the-counter artificial tears can help lubricate the eyes and relieve dryness. - Warm compresses: Applying a warm compress to the eyes can help stimulate the production of natural tears and relieve dryness. - Humidifiers: Using a humidifier to add moisture to the air can help prevent dry eyes. - Blinking exercises: Regularly blinking your eyes can help spread tears across the surface of the eyes and prevent dryness. - Omega-3 supplements: Omega-3 fatty acids found in fish oil can help improve tear production and reduce inflammation in the eyes. It is important to consult with an eye doctor or healthcare provider if you are experiencing persistent dry eyes, as it can be a symptom of other underlying conditions or require more aggressive treatment. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Shah Hussain, General & Family Physician