[Solved] According to Keynes there is a difference between equilibrium income and potential income.Explain this difference. Microscope: An instrument used to see objects that are too small to be seen by the naked eye, enhancing the resolution and visual perception of the observer. Oculars: Refers to the eyepieces on microscopes or other optical instruments, aiding in magnification and observation. Physician's Office Laboratory: A small lab located within a physician's office where various tests are performed on-site to aid in the quick diagnosis and treatment of patients. Turnaround Time: The amount of time taken to complete a process, task, or fulfill an order from start to finish.