Troubleshooting a refrigerator that runs continuously requires an understanding of how the refrigerator works. By definition, a refrigerator is one of the few appliances within your home that has to run on a continuous basis.
Severe pain in the head, behind the eyes or ears, is usually caused due to sinusitis. Among the various types of sinusitis, sphenoid sinusitis can cause intense headaches, specially behind the eyes.Whereas, frontal and ethmoid sinusitis can cause severe pain in the head, behind the ears or eyes.evere pain in the head, behind the eyes or ears, is usually caused due to sinusitis. Among the various types of sinusitis, sphenoid sinusitis can cause intense headaches, specially behind the eyes.
Additionally, the spine and brain command a network a nerves conducting sensation along the back, neck, head and face. Damage to nerves of the peripheral or central nervous system can cause pain signals to be sent to the brain, which may result in the chronic pain condition known as neuropathic pain.