Well, yes, low iron can cause eye twitching in some degree. Generally speaking, there are many reasons which can lead to eye twitching. But on the other hand, you should know that low iron can also cause eye twitching. So just be careful about it. According to some experts, iron deficiency can lead to other eye problems, such as eye twitching, eye floaters, dark circles, puffy eyes, even red eyes. At this moment, you need to intake more iron. Also, to treat eye twitching, I will suggest you take a cold compresses on your eyes, and repeat it several time. And then it can just disappear. Besides, eye drops will be effective.