Researchers in the UK monitored the vision of 46 PRK patients for a period of 18 years. Prior to surgery, all patients were nearsighted, with an average eyeglass prescription of -4.86 D (range: -2.75 to -7.37 D). More Info.
No Age Barriers for Chicken Pox. Chicken pox is most likely to infect children. In preschool and in kindergarten is when the highest incidents of chicken pox infections occur. This is when children are between 3-6 years old.
Chicken pox (Varicella). Chicken pox is a viral infection of childhood. After an incubation period of 10 to 21 days, the child with Chicken pox will break out with a rash which begins as small red bumps and which very quickly form clear blisters. The clear blisters then rupture and form dark crusts.