Well, iron deficiency can not lead to dry eyes. First, rheumatoid arthritis, high blood pressure, osteoporosis, acne, depression can lead to dry eyes. But on the other hand, there is no evidence which has shown that iron deficiency can lead to dry eyes. But on the other hand, iron deficiency can lead to other eye problems, such as eye floaters, dark circles, puffy eyes, even red eyes. In common, when your body does not have enough red blood cells, iron deficiency may occur. And then it will just affect your eyes. And some eye problems may appear. So just be careful about the intake of iron.