Microscopes are typically used in surgical fields such as dentistry, plastic surgery, ophthalmic surgery which involves the eyes, ear, nose and throat (ENT) surgery, and neurosurgery. Without microscopes, several diseases and illnesses can't be identified, particularly cellular diseases  microscope is a device for viewing objects that are too small to be observed with the naked eye. In the healthcare industry, it is used in laboratories to make diagnoses from biopsies or other biological sample preparations. Microscopes are usually a lens system that magnifies the object under observation.