The number one cause of itchy eyes is hypersensitivity to dust or pollen. This is an sensitivity to something the body is trying to fight off like a virus or bacteria.
This causes you experience symptoms sort of a runny nose, sneezing, itching, and irritated eyes. About half the population of americans have some degree of allergies, and according to studies, 75 % of all common allergic reactions affect the eyes.
When it comes to allergies, the best advice is to avoid the culprit that’s affecting you. But in the case of burning and itching eyes, it’s impossible to defend yourself from any possible source or irritation that may be in the air.