This past February, the situation worsened for Zostavax consumers as the FDA listed eye disorders to the list of side effects. Specifically listed was necrotizing retinitis and keratitis. This disorder causes scarring and inflammation of the eyes. It can lead to a loss of vision if left untreated. Researchers found that 20 cases of keratitis in both children and adults occurred within one month of taking the chickenpox of shingles vaccine. The researchers declared there was a likely relationship between the eye disorder and the vaccine but also stated that the research wasn’t intended to prove such.
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