Well, generally speaking, eye twitching is related to subtle or strong uncontrollable movement of the eyelid muscles. And it can occur on the upper or lower eyelid. According to some experts, when it occurs, it may cause sensitivity to light, blurred vision. To treat it, there are some good supplements you can just have a try. For example, halibut, green vegetables, nuts and unrefined grains can be good. Also, sweet potatoes, beets and yogurt which are rich in potassium can be used too. By the way, shellfish, liver, lentils, potatoes and bananas are good too. just have a try.