What Is The Main Cause Of Dry Eyes?

What Is The Main Cause Of Dry Eyes? Common causes of decreased tear production include: Aging. Certain medical conditions including Sjogren’s syndrome, allergic eye disease, rheumatoid arthritis, lupus, scleroderma, graft vs. host disease, sarcoidosis, thyroid disorders or vitamin A deficiency. Is dry eye serious? Dry eyes are almost always a serious problem because burning, itchy,