The Essentials of CCNA Routing and Switching Webinar Series. Learn more about the exciting redesign of the CCNAÂ® Routing and Switching certification. CCNA R&S Training Videos. Preview CCNA R&S training videos that are offered as part of a Cisco Learning Network Premium subscription.
Explore Optometry. Home / Education / Admissions / Explore Optometry. A Doctor of Optometry (OD) is an independent, primary health care provider who examines the visual system, the eye and associated structures, as well as diagnoses, treats and manages related diseases and disorders. Optometry involves much more than prescribing and fitting glasses and contact lenses.
Optometrist (OD): Vision Care and Eye Care Services. Optometrists are medical professionals but not physicians who went to medical school. After college, they spent four years in a professional program and got a doctor of optometry degree. Some optometrists undergo additional clinical training after optometry school.