According to our research of Florida and other state lists there were 13 registered sex offenders living in Gretna, Florida as of October 05, 2015. The ratio of number of residents in Gretna to the number of sex offenders is 110 to 1.
Nearsighted people can see things that are NEAR, or close, (such as 1-5 feet) without assistance, but usually require glasses for general vision.
Rather, this study found that the use of night lights and nearsightedness are related. This is an important difference. There may be other reasons why the children became nearsighted. For example, maybe parents who use night lights with their children are themselves more likely to be nearsighted.