You have allergies
Allergies and dry eyes are practically synonymous, and the fact that the prevalence of dry eye closely mirrors the appearance of pesky seasonal allergens proves it.
One study found that dry eye was most common in the spring and especially April, the same time pollen counts were highest. (Dry eye also peaked in the winter, though the authors speculated this had more to do with indoor heating.)
Unfortunately, many allergy medications also cause dry eye so if you’re prone to this affliction, you may need to find other ways to protect yourself.
Try wearing wraparound glasses when gardening or working in the yard or, if you are inside your house, use an air filter.
