What would cause pressure in the left back side of the neck and sharp shooting pains accompanied by popping noises and causes eye irritation.

Occipital pressure. Could be nerve irritation occipital neuralgia or cervicalgia, or I have seen it with herpetic infection need acyclovir 200 mg 3 tabs TID x 5 days or shingles ( same treatment). rarely lyme ( may not be in islands) Follow up today with urgent care /doctor we take eye issues very seriously.