Optics is part of our everyday life. In fact, the presence of visual systems like the microscope in biology indicates the central role optics plays as the science of one of the five senses. Many people benefit from eyeglasses or contact lenses, and optics is integral to the functioning of many consumer goods including fiber optic cables (internet), cameras, and binoculars. If these optical devices were not invented, what do you think will be its impact to our life today?