The science of biology was brought to newer heights with the invention of microscope. By using microscopes, scientists have discovered many things in this world such as microorganisms, structure of cells, smallest part of plants animals and fungi. At present, microscopes are widely used in biological laboratories, hospitals, clinics, industrial labs, schools and universities all over the world. Applications of microscope is not limited since their original invention, microscope have metamorphosized from simple visible light refracting lenses to a more sophisticated microscopes with higher capability in detecting smallest structures like viruses.