Develop an alternative method for improving vision. Solving technological problems may result in new scientific knowledge. New technologies often extend the current levels of scientific understanding and introduce new areas of research. The Nature of Technology, Issues in Technology, grades nine-12 High school students should know when deciding on proposals to introduce new technologies or to curtail existing ones.
Some key questions arise concerning alternatives, risks, costs and benefits.
Discuss the human eye. Describe how Lasik eye surgery works. Divide students into groups of four. Another student then will measure the distance from the eye to the index card. Repeat this procedure with all the students in the group.