If yes, then you'd need 1 of our 2 light harnesses, not 2 of our single light harnesses. We don't want to have to increase the price of all our lights to cover including a wiring harness in every light, and we don't want you to have to pay more for something you don't need.
By far the most common cause of this type of pain, especially if it is occurring in both eye, is simply strain of the eye muscles. This is especially common in people who work at a computer screen all day or perform other task that require careful use of their eyes.
The are six muscles of the eyes responsible for movement of the eye. These muscles function in Agonist and Antagonist pairs enabling us to move our eyeballs in the cardinal directions, up, down, left and right. There are six muscles which are responsible for controlling the movement of the eyeballs.