![]() ![]() When shingles impacts the eyes its called herpes zoster ophthalmicus, or HZO. Year Five: Chronic Or Recurrent Eye Disease This rash often shows up in one or two nearby areas of skin called dermatomes.Ī dermatome is an area of your skin where the sensation is supplied by one spinal nerve. ![]() Once the virus gets to the end of these sensory nerves, it reaches your skin and usually leads to a rash. These nerves carry sensory information like feelings of pain, itchiness, or pressure from your skin to your spinal cord and brain. Once the virus is active, it usually spreads down sensory nerve fibers that lead from your spinal cord to your skin. Reactivation most commonly occurs in older adults because the immune system tends to get weaker with age, as well as in people with suppressed immune systems. The virus reactivates when your immune system is no longer able to suppress it. Spinal ganglia are nerve cells that connect your spinal cord to nerves in your body and limbs. Shingles isnt contagious, but people who have not had chickenpox can develop chickenpox if they come in contact with open blisters of somebody with shingles.Īfter your body fights off a chickenpox infection, the herpes zoster virus remains dormant in your cranial nerves and spinal ganglia until it becomes reactivated. Having a chickenpox vaccine can lead to shingles because the vaccine contains the virus that causes chickenpox. Only people whove had chickenpox or chickenpox vaccines can develop shingles. Shingles is caused by a reactivation of the virus that causes chickenpox. ![]()
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