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.
Because it's often impossible to tell if eye pain is due to a minor scratch, a deep abrasion or a corneal foreign body, it's a good idea to see an eye doctor for any sharp discomfort of the eye that does not resolve very quickly, to determine the underlying cause. Dry eyes. Another very common cause of eye discomfort is dry eyes.