Well, yes, of course, mold can just cause itchy eyes. According to some experts, exposure to mold can just affect people differently. In common, mold can enter into the human body through several different pathways. For example, it can just get into the eyes, leading to some eye infections. In that way, your eyes will feel itchy, uncomfortable, and in some cases, redness can occur too. And that is why you get itchy eyes. By the way, you should know that mold spores can enter into a person's sinuses and lungs through normal respiration or breathing in Mold contaminated buildings. So just be careful about it, or your itchy eyes will be more serious.