Sensorineural hearing loss is caused by damage to the cochlea in the inner ear or damage to the nerve pathways from the inner ear to the brain. Sensorineural hearing loss is the most common type of permanent hearing loss.
We donât really know why migraines cause light sensitivity, but itâs clear nearly everyone with migraine will tell you that they have sensitivity to light during an attack and many patients with migraine will tell you that certain kinds of light can trigger an attack (particularly those found in big box stores such as Target and Walmart).
WebMD News Archive. Jan. 12, 2010 -- Researchers in Boston say theyâve gained new insight into why light makes migraine headaches so painful. The culprit, they say, is a new pathway that underlies sensitivity to light during migraine episodes in blind people and people with normal eyesight. Scientists at Beth Deaconess Medical Center report their findings in the online journal Nature Neuroscience.