A person with blepharitis may experience swollen, irritated, and itchy eyelids. A stye is a ... notes that while the eye may become red and watery, the stye should not affect a person’s vision.

Itchy eyes (also known as ... Blepharitis causes inflammation of the eyelids, usually along the edges where your eyelashes grow. The condition leads to redness, swelling, and itchiness.