Frequent dry eyes may signal more than simple irritation and could be an early warning sign of an autoimmune disease. This symptom has long been associated with Sjögren’s Disease, a chronic autoimmune condition in which the immune system mistakenly attacks the tear ducts and salivary glands, causing inflammation that leads to dry eyes and dry mouth. Now, a study of 67,264 patients in Taiwan with autoimmune diseases found that dry eye disease (DED) preceded the autoimmune diagnosis by about three years.
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Dry eye often precedes autoimmune disease diagnosis, new study finds
February 25, 2026
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