The splenius capitis muscle can contribute to pain at the top of the head and occasionally cause blurred vision. The muscle is affected by whiplash injuries.
The orbicularis oculi muscle is the muscle that encircles the eye. The muscle contributes to pain above the eye that travels down the side of the nose. It can also contribute to twitching of the eye and a drooping eyelid.
The sternocleidomastoid are the two big muscles located on each side of the front of the neck. These are the most affected muscles when whiplash of the head / neck occurs. The muscles can contribute to pain throughout the head and neck area and can contribute to symptoms of vertigo.