Martin Banks, a professor of optometry at Berkeley, says 3-D doesn't allow our eyes to follow the rules because we're focusing on things both far and near at the same time.

VOA: standard.2010.02.21

Many business owners agreed to follow codes or rules such as limiting the number of hours people could work.

VOA: special.2011.03.24

Her teachers said the little girl knew all the rules but could not seem to follow them.

VOA: special.2009.07.31

However, thousands of business people refused to follow the government price control rules.

VOA: special.2011.08.11

And,the storytellers must follow several rules.

VOA: special.2009.03.27