State bounded on the north by Lake Ontario and Canada, on the east by Vermont, Massachusetts, and Connecticut, on the south by the Atlantic Ocean, New Jersey, and Pennsylvania, and on the west by Pennsylvania, Lake Erie, and Canada.
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
D003119
Color Perception Tests
Type of vision test used to determine COLOR VISION DEFECTS.
Color Perception Test,Perception Test, Color,Perception Tests, Color,Test, Color Perception,Tests, Color Perception
D006666
History of Medicine
Study of past events and development in the field of Medicine.
Medicine, History,History Medicines,Medicine Histories,Medicines, History
D014481
United States
A country in NORTH AMERICA between CANADA and MEXICO.