Definitions Found:
An optical instrument with a lens for each eye, used for viewing distant objects
- binocularsAn optical instrument with a lens for each eye, used for viewing distant objects
- monocularsAn optical instrument for viewing distant objects with one eye, like one half of a pair of binoculars
- microscopesAn optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells, typically magnified several hundred times
- microscopeAn optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells, typically magnified several hundred times
- tachistoscopesAn instrument used for exposing objects to the eye for a very brief measured period of time
- tachistoscopeAn instrument used for exposing objects to the eye for a very brief measured period of time