What does a eyepiece do on a microscope?

The eyepiece, or ocular lens, of a microscope is the lens you look through to view the magnified specimen. It typically has a magnification power of 10x or 15x, further enlarging the image produced by the objective lenses. The eyepiece also often contains a reticle or scale for measuring specimens. Overall, it plays a crucial role in combining the magnification from the objective lenses with the viewer's perception for detailed observation.