A state bounded on the north by Illinois, Indiana, and Ohio; on the east by Virginia and west Virginia; on the south by Tennessee, and on the west by Missouri.
D009885
Ophthalmology
A surgical specialty concerned with the structure and function of the eye and the medical and surgical treatment of its defects and diseases.
Ocular Surgery,Ocular Surgeries,Surgery, Ocular
D006666
History of Medicine
Study of past events and development in the field of Medicine.
Medicine, History,History Medicines,Medicine Histories,Medicines, History
D055095
Optics and Photonics
A specialized field of physics and engineering involved in studying the behavior and properties of light and the technology of analyzing, generating, transmitting, and manipulating ELECTROMAGNETIC RADIATION in the visible, infrared, and ultraviolet range.